marc21.json

{
  "100": {
    "ind1": {
      "0": "Type of personal name entry element - Forename",
      "1": "Type of personal name entry element - Surname",
      "3": "Type of personal name entry element - Family name"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Personal name"
      },
      "b": {
        "*": "Numeration"
      },
      "c": {
        "*": "Titles and words associated with a name"
      },
      "d": {
        "*": "Dates associated with a name"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "j": {
        "*": "Attribution qualifier"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Fuller form of name"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      }
    },
    "value": "Main Entry-Personal Name\nPersonal name used as a main entry in a bibliographic record."
  },
  "110": {
    "ind1": {
      "0": "Type of corporate name entry element - Inverted name",
      "1": "Type of corporate name entry element - Jurisdiction name",
      "2": "Type of corporate name entry element - Name in direct order"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Corporate name or jurisdiction name as entry element"
      },
      "b": {
        "*": "Subordinate unit"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      }
    },
    "value": "Main Entry-Corporate Name\nCorporate name used as a main entry in a bibliographic record."
  },
  "111": {
    "ind1": {
      "0": "Type of meeting name entry element - Inverted name",
      "1": "Type of meeting name entry element - Jurisdiction name",
      "2": "Type of meeting name entry element - Name in direct order"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Meeting name or jurisdiction name as entry element"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Subordinate unit"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "j": {
        "*": "Relator term"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Name of meeting following jurisdiction name entry element"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      }
    },
    "value": "Main Entry-Meeting Name\nMeeting or conference name used as a main entry in a bibliographic record."
  },
  "130": {
    "ind1": {
      "0": "Nonfiling characters - Number of nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      }
    },
    "value": "Main Entry-Uniform Title\nUniform title used as a main entry in a bibliographic record."
  },
  "210": {
    "ind1": {
      "0": "Title added entry - No added entry",
      "1": "Title added entry - Added entry"
    },
    "ind2": {
      "0": "Type - Other abbreviated title",
      "#": "Type - Abbreviated key title"
    },
    "subfields": {
      "2": {
        "*": "Source (R)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Abbreviated title (NR)"
      },
      "b": {
        "*": "Qualifying information (NR)"
      }
    },
    "value": "Abbreviated Title\nTitle as abbreviated for indexing or identification. An abbreviated key title is supplied by ISSN centers, based on the Key Title (Field 222). Other abbreviated titles are supplied by cataloging agencies, including abstracting and indexing services."
  },
  "222": {
    "ind1": {},
    "ind2": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Key title (NR)"
      },
      "b": {
        "*": "Qualifying information (NR)"
      }
    },
    "value": "Key Title\nUnique title for a continuing resource that is assigned in conjunction with an ISSN recorded in field 022 by national centers under the auspices of the ISSN Network."
  },
  "240": {
    "ind1": {
      "0": "Uniform title printed or displayed - Not printed or displayed",
      "1": "Uniform title printed or displayed - Printed or displayed"
    },
    "ind2": {
      "0": "Nonfiling characters - Number of nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      }
    },
    "value": "Uniform Title\nUniform title for an item when the bibliographic description is entered under a main entry field that contains a personal (field 100), corporate (110), or meeting (111) name."
  },
  "242": {
    "ind1": {
      "0": "Title added entry - No added entry",
      "1": "Title added entry - Added entry"
    },
    "ind2": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Title (NR)"
      },
      "b": {
        "*": "Remainder of title (NR)"
      },
      "c": {
        "*": "Statement of responsibility, etc. (NR)"
      },
      "h": {
        "*": "Medium (NR)"
      },
      "n": {
        "*": "Number of part/section of a work (R)"
      },
      "p": {
        "*": "Name of part/section of a work (R)"
      },
      "y": {
        "*": "Language code of translated title (NR)"
      }
    },
    "value": "Translation of Title by Cataloging Agency\nTranslation of the title proper that is made by the cataloging agency when the translated title does not appear as a parallel title on the item. For a note, the introductory phrase Title translated: may be generated based on the field tag for display."
  },
  "243": {
    "ind1": {
      "0": "Uniform title printed or displayed - Not printed or displayed",
      "1": "Uniform title printed or displayed - Printed or displayed"
    },
    "ind2": {
      "0": "Nonfiling characters - Number of nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      }
    },
    "value": "Collective Uniform Title\nGeneric title that is constructed by the cataloger to collect works by a prolific author. Brackets that customarily enclose a collective uniform title are not carried in the MARC record. They may be generated based on the field tag."
  },
  "245": {
    "ind1": {
      "0": "Title added entry - No added entry",
      "1": "Title added entry - Added entry"
    },
    "ind2": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Title (NR)"
      },
      "b": {
        "*": "Remainder of title (NR)"
      },
      "c": {
        "*": "Statement of responsibility, etc. (NR)"
      },
      "f": {
        "*": "Inclusive dates (NR)"
      },
      "g": {
        "*": "Bulk dates (NR)"
      },
      "h": {
        "*": "Medium (NR)"
      },
      "k": {
        "*": "Form (R)"
      },
      "n": {
        "*": "Number of part/section of a work (R)"
      },
      "p": {
        "*": "Name of part/section of a work (R)"
      },
      "s": {
        "*": "Version (NR)"
      }
    },
    "value": "Title Statement\nTitle and statement of responsibility area of the bibliographic description of a work."
  },
  "246": {
    "ind1": {
      "0": "Note/added entry controller - Note, no added entry",
      "1": "Note/added entry controller - Note, added entry",
      "2": "Note/added entry controller - No note, no added entry",
      "3": "Note/added entry controller - No note, added entry"
    },
    "ind2": {
      "0": "Type of title - Portion of title",
      "1": "Type of title - Parallel title",
      "2": "Type of title - Distinctive title",
      "3": "Type of title - Other title",
      "4": "Type of title - Cover title",
      "5": "Type of title - Added title page title",
      "6": "Type of title - Caption title",
      "7": "Type of title - Running title",
      "8": "Type of title - Spine title",
      "#": "Type of title - No type specified"
    },
    "subfields": {
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Title proper/short title"
      },
      "b": {
        "*": "Remainder of title"
      },
      "f": {
        "*": "Date or sequential designation"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "i": {
        "*": "Display text"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "p": {
        "*": "Name of part/section of a work"
      }
    },
    "value": "Varying Form of Title\nVarying forms of the title appearing on different parts of an item or a portion of the title proper, or an alternative form of the title when the form differs substantially from the title statement in field 245 and if they contribute to the further identification of the item."
  },
  "247": {
    "ind1": {
      "0": "Title added entry - No added entry",
      "1": "Title added entry - Added entry"
    },
    "ind2": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Title"
      },
      "b": {
        "*": "Remainder of title"
      },
      "f": {
        "*": "Date or sequential designation"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Former Title\nFormer title proper used when one cataloging record represents several titles associated with an entity."
  },
  "250": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Edition statement"
      },
      "b": {
        "*": "Remainder of edition statement"
      }
    },
    "value": "Edition Statement\nInformation relating to the edition of a work as determined by applicable cataloging rules."
  },
  "251": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Version"
      }
    },
    "value": "Version Information\nInformation relating to the version of a resource, preferably taken from a controlled vocabulary."
  },
  "254": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Musical presentation statement (NR)"
      }
    },
    "value": "Musical Presentation Statement\nMusical presentation statement for printed or manuscript music that describes the format of the edition, which may differ from that of another edition of the same work."
  },
  "255": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Statement of scale (NR)"
      },
      "b": {
        "*": "Statement of projection (NR)"
      },
      "c": {
        "*": "Statement of coordinates (NR)"
      },
      "d": {
        "*": "Statement of zone (NR)"
      },
      "e": {
        "*": "Statement of equinox (NR)"
      },
      "f": {
        "*": "Outer G-ring coordinate pairs (NR)"
      },
      "g": {
        "*": "Exclusion G-ring coordinate pairs (NR)"
      }
    },
    "value": "Cartographic Mathematical Data\nMathematical data associated with cartographic material, including celestial charts. This data may also be coded in field 034 (Coded Mathematical Data)."
  },
  "256": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Computer file characteristics (NR)"
      }
    },
    "value": "Computer File Characteristics\nCharacteristics of a computer file, such as the type of file (e.g., Computer programs), the number of records, statements, etc. (e.g., 1250 records, 5076 bytes)."
  },
  "257": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Country of producing entity"
      }
    },
    "value": "Country of Producing Entity\nName or abbreviation of the name of the country(s), area(s), etc. where the principal offices of the producing entity(s) of a resource are located."
  },
  "258": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Issuing jurisdiction (NR)"
      },
      "b": {
        "*": "Denomination (NR)"
      }
    },
    "value": "Philatelic Issue Data\nIssuing jurisdiction and denomination information about philatelic material, such as postage stamps, postal stationery (postal cards, etc., made available by a postal administration bearing a stamped impression (indicium) of denomination), revenue stamps (tax stamps), postage due stamps, and registered mail stamps. These are usually valid within a defined area and carry a value signifying prepayment or payment due for services or taxes."
  },
  "260": {
    "ind1": {
      "2": "Sequence of publishing statements - Intervening publisher",
      "3": "Sequence of publishing statements - Current/latest publisher",
      "#": "Sequence of publishing statements - Not applicable/No information provided/Earliest available publisher"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Place of publication, distribution, etc. (R)"
      },
      "b": {
        "*": "Name of publisher, distributor, etc. (R)"
      },
      "c": {
        "*": "Date of publication, distribution, etc. (R)"
      },
      "e": {
        "*": "Place of manufacture (R)"
      },
      "f": {
        "*": "Manufacturer (R)"
      },
      "g": {
        "*": "Date of manufacture (R)"
      }
    },
    "value": "Publication, Distribution, etc. (Imprint)\nInformation relating to the publication, printing, distribution, issue, release, or production of a work."
  },
  "263": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Projected publication date (NR)"
      }
    },
    "value": "Projected Publication Date\nProjected date of publication used in bibliographic records for works that have not yet been published."
  },
  "264": {
    "ind1": {
      "2": "Sequence of statements - Intervening",
      "3": "Sequence of statements - Current/Latest",
      "#": "Sequence of statements - Not applicable/No information provided/Earliest"
    },
    "ind2": {
      "0": "Function of entity - Production",
      "1": "Function of entity - Publication",
      "2": "Function of entity - Distribution",
      "3": "Function of entity - Manufacture",
      "4": "Function of entity - Copyright notice date"
    },
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Place of production, publication, distribution, manufacture (R)"
      },
      "b": {
        "*": "Name of producer, publisher, distributor, manufacturer (R)"
      },
      "c": {
        "*": "Date of production, publication, distribution, manufacture, or copyright notice (R)"
      }
    },
    "value": "Production, Publication, Distribution, Manufacture, and Copyright Notice\nStatement relating to the publication, printing, distribution, issue, release, or production of a work."
  },
  "270": {
    "ind1": {
      "1": "Level - Primary",
      "2": "Level - Secondary",
      "#": "Level - No level specified"
    },
    "ind2": {
      "0": "Type of address - Mailing",
      "7": "Type of address - Type specified in subfield $i",
      "#": "Type of address - No type specified"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Address"
      },
      "b": {
        "*": "City"
      },
      "c": {
        "*": "State or province"
      },
      "d": {
        "*": "Country"
      },
      "e": {
        "*": "Postal code"
      },
      "f": {
        "*": "Terms preceding attention name"
      },
      "g": {
        "*": "Attention name"
      },
      "h": {
        "*": "Attention position"
      },
      "i": {
        "*": "Type of address"
      },
      "j": {
        "*": "Specialized telephone number"
      },
      "k": {
        "*": "Telephone number"
      },
      "l": {
        "*": "Fax number"
      },
      "m": {
        "*": "Electronic mail address"
      },
      "n": {
        "*": "TDD or TTY number"
      },
      "p": {
        "*": "Contact person"
      },
      "q": {
        "*": "Title of contact person"
      },
      "r": {
        "*": "Hours"
      },
      "z": {
        "*": "Public note"
      }
    },
    "value": "Address\nAn address (as well as electronic access information such as email, telephone, fax, TTY, etc. numbers) for contacts related to the content of the bibliographic item. Multiple addresses, such as mailing addresses and addresses corresponding to the physical location of an item or facilities, are recorded in separate occurrences of field 270."
  },
  "300": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Extent"
      },
      "b": {
        "*": "Other physical details"
      },
      "c": {
        "*": "Dimensions"
      },
      "e": {
        "*": "Accompanying material"
      },
      "f": {
        "*": "Type of unit"
      },
      "g": {
        "*": "Size of unit"
      }
    },
    "value": "Physical Description\nPhysical description of the described item, including its extent, dimensions, and such other physical details as a description of any accompanying materials and unit type and size."
  },
  "306": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Playing time (R)"
      }
    },
    "value": "Playing Time\nSix numeric characters, in the pattern hhmmss, that represent the playing time for a sound recording, videorecording, etc. or the stated duration of performance of printed or manuscript music. If the playing time is less than 1 hour, the hour (hh) is recorded as two zeroes; if less than a minute, the minute (mm) is also recorded as two zeroes."
  },
  "307": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Hours"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Hours (NR)"
      },
      "b": {
        "*": "Additional information (NR)"
      }
    },
    "value": "Hours, Etc.\nChronological information identifying the days and/or times an item is available or accessible. Used primarily in records for electronic resources."
  },
  "310": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Current publication frequency (NR)"
      },
      "b": {
        "*": "Date of current publication frequency (NR)"
      }
    },
    "value": "Current Publication Frequency\nCurrent stated publication frequency of either an item or an update to an item. Dates are included when the beginning date of the current frequency is not the same as the beginning date of publication."
  },
  "321": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Former publication frequency (NR)"
      },
      "b": {
        "*": "Dates of former publication frequency (NR)"
      }
    },
    "value": "Former Publication Frequency\nFormer publication frequency of either an item or an update to an item when a current publication frequency is given in field 310 (Current Publication Frequency)."
  },
  "336": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Content type term"
      },
      "b": {
        "*": "Content type code"
      }
    },
    "value": "Content Type\nThe form of communication through which a work is expressed. Used in conjunction with Leader /06 (Type of record), which indicates the general type of content of the resource. Field 336 information enables expression of more specific content types and content types from various lists."
  },
  "337": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Media type term"
      },
      "b": {
        "*": "Media type code"
      }
    },
    "value": "Media Type\nMedia type reflects the general type of intermediation device required to view, play, run, etc., the content of a resource. Used as an alternative to or in addition to the coded expression of Media type in field 007/00 (Category of material). Field 337 information enables indication of more specific media types and media types from various lists."
  },
  "338": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Carrier type term"
      },
      "b": {
        "*": "Carrier type code"
      }
    },
    "value": "Carrier Type\nCarrier type reflects the format of the storage medium and housing of a carrier in combination with the media type (which indicates the intermediation device required to view, play, run, etc., the content of a resource). Used as an alternative to or in addition to the coded expression of carrier type in field 007/01 (Specific material designation). Field 338 information enables indication of more specific carrier types and carrier types from various lists."
  },
  "340": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Material base and configuration"
      },
      "b": {
        "*": "Dimensions"
      },
      "c": {
        "*": "Materials applied to surface"
      },
      "d": {
        "*": "Information recording technique"
      },
      "e": {
        "*": "Support"
      },
      "f": {
        "*": "Production rate/ratio"
      },
      "g": {
        "*": "Color content"
      },
      "h": {
        "*": "Location within medium"
      },
      "i": {
        "*": "Technical specifications of medium"
      },
      "j": {
        "*": "Generation"
      },
      "k": {
        "*": "Layout"
      },
      "m": {
        "*": "Book format"
      },
      "n": {
        "*": "Font size"
      },
      "o": {
        "*": "Polarity"
      }
    },
    "value": "Physical Medium\nPhysical description information for an item that requires technical equipment for its use, and/or more granular description information of an item's material properties to facilitate access and discovery or to support collection management."
  },
  "341": {
    "ind1": {
      "0": "Application - Adaptive features to access primary content",
      "1": "Application - Adaptive features to access secondary content",
      "#": "Application - No information provided"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Content access mode"
      },
      "b": {
        "*": "Textual assistive features"
      },
      "c": {
        "*": "Visual assistive features"
      },
      "d": {
        "*": "Auditory assistive features"
      },
      "e": {
        "*": "Tactile assistive features"
      }
    },
    "value": "Accessibility Content\nInformation about modes of access to the content of a resource, including its primary mode of access and alternative mode(s) of access."
  },
  "342": {
    "ind1": {
      "0": "Geospatial reference dimension - Horizontal coordinate system",
      "1": "Geospatial reference dimension - Vertical coordinate system"
    },
    "ind2": {
      "0": "Geospatial reference method - Geographic",
      "1": "Geospatial reference method - Map projection",
      "2": "Geospatial reference method - Grid coordinate system",
      "3": "Geospatial reference method - Local planar",
      "4": "Geospatial reference method - Local",
      "5": "Geospatial reference method - Geodetic model",
      "6": "Geospatial reference method - Altitude",
      "7": "Geospatial reference method - Method specified in $2",
      "8": "Geospatial reference method - Depth"
    },
    "subfields": {
      "2": {
        "*": "Reference method used (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Name (NR)"
      },
      "b": {
        "*": "Coordinate units or distance units (NR)"
      },
      "c": {
        "*": "Latitude resolution (NR)"
      },
      "d": {
        "*": "Longitude resolution (NR)"
      },
      "e": {
        "*": "Standard parallel or oblique line latitude (R)"
      },
      "f": {
        "*": "Oblique line longitude (R)"
      },
      "g": {
        "*": "Longitude of central meridian or projection center (NR)"
      },
      "h": {
        "*": "Latitude of projection center or projection origin (NR)"
      },
      "i": {
        "*": "False easting (NR)"
      },
      "j": {
        "*": "False northing (NR)"
      },
      "k": {
        "*": "Scale factor (NR)"
      },
      "l": {
        "*": "Height of perspective point above surface (NR)"
      },
      "m": {
        "*": "Azimuthal angle (NR)"
      },
      "n": {
        "*": "Azimuth measure point longitude or straight vertical longitude from pole (NR)"
      },
      "o": {
        "*": "Landsat number and path number (NR)"
      },
      "p": {
        "*": "Zone identifier (NR)"
      },
      "q": {
        "*": "Ellipsoid name (NR)"
      },
      "r": {
        "*": "Semi-major axis (NR)"
      },
      "s": {
        "*": "Denominator of flattening ratio (NR)"
      },
      "t": {
        "*": "Vertical resolution (NR)"
      },
      "u": {
        "*": "Vertical encoding method (NR)"
      },
      "v": {
        "*": "Local planar, local, or other projection or grid description (NR)"
      },
      "w": {
        "*": "Local planar or local georeference information (NR)"
      }
    },
    "value": "Geospatial Reference Data\nDescription of the frame of reference for the coordinates in a data set. To work with a data set a user must be able to identify how location accuracy has been affected through the application of a geospatial reference method, thus enabling the user to manipulate the data set to recover location accuracy."
  },
  "343": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Planar coordinate encoding method (NR)"
      },
      "b": {
        "*": "Planar distance units (NR)"
      },
      "c": {
        "*": "Abscissa resolution (NR)"
      },
      "d": {
        "*": "Ordinate resolution (NR)"
      },
      "e": {
        "*": "Distance resolution (NR)"
      },
      "f": {
        "*": "Bearing resolution (NR)"
      },
      "g": {
        "*": "Bearing units (NR)"
      },
      "h": {
        "*": "Bearing reference direction (NR)"
      },
      "i": {
        "*": "Bearing reference meridian (NR)"
      }
    },
    "value": "Planar Coordinate Data\nInformation about the coordinate system developed on a planar surface. The information is provided to allow the user of a geospatial data set to identify the quantities of distances, or distances and angles. These define the position of a point on a reference plane onto which the surface of the Earth has been projected."
  },
  "344": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Type of recording"
      },
      "b": {
        "*": "Recording medium"
      },
      "c": {
        "*": "Playing speed"
      },
      "d": {
        "*": "Groove characteristic"
      },
      "e": {
        "*": "Track configuration"
      },
      "f": {
        "*": "Tape configuration"
      },
      "g": {
        "*": "Configuration of playback channels"
      },
      "h": {
        "*": "Special playback characteristics"
      }
    },
    "value": "Sound Characteristics\nTechnical specifications relating to the encoding of sound in a resource."
  },
  "345": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Presentation format"
      },
      "b": {
        "*": "Projection speed"
      }
    },
    "value": "Projection Characteristics of Moving Image\nTechnical specifications relating to the projection of a moving image resource."
  },
  "346": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Video format"
      },
      "b": {
        "*": "Broadcast standard"
      }
    },
    "value": "Video Characteristics\nTechnical specifications relating to the encoding of video images in a resource."
  },
  "347": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "File type"
      },
      "b": {
        "*": "Encoding format"
      },
      "c": {
        "*": "File size"
      },
      "d": {
        "*": "Resolution"
      },
      "e": {
        "*": "Regional encoding"
      },
      "f": {
        "*": "Encoded bitrate"
      }
    },
    "value": "Digital File Characteristics\nTechnical specification relating to the digital encoding of text, image, audio, video, and other types of data in a resource. This information could also be recorded in field 300 (Physical Description) $b (Other physical details)."
  },
  "348": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Format of notated music term"
      },
      "b": {
        "*": "Format of notated music code"
      }
    },
    "value": "Format of Notated Music\nThe musical or physical layout of the content of a resource that is presented in the form of musical notation."
  },
  "351": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Organization (R)"
      },
      "b": {
        "*": "Arrangement (R)"
      },
      "c": {
        "*": "Hierarchical level (NR)"
      }
    },
    "value": "Organization and Arrangement of Materials\nInformation about the organization and arrangement of a collection of items."
  },
  "352": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Direct reference method (NR)"
      },
      "b": {
        "*": "Object type (R)"
      },
      "c": {
        "*": "Object count (R)"
      },
      "d": {
        "*": "Row count (NR)"
      },
      "e": {
        "*": "Column count (NR)"
      },
      "f": {
        "*": "Vertical count (NR)"
      },
      "g": {
        "*": "VPF topology level (NR)"
      },
      "i": {
        "*": "Indirect reference description (NR)"
      },
      "q": {
        "*": "Format of the digital image (NR)"
      }
    },
    "value": "Digital Graphic Representation\nDescription of the method of referencing and the mechanism used to represent graphic information in a data set. This information consists of the type of storage technique used, the number of items in the data set, and the format in which the data is stored."
  },
  "355": {
    "ind1": {
      "0": "Controlled element - Document",
      "1": "Controlled element - Title",
      "2": "Controlled element - Abstract",
      "3": "Controlled element - Contents note",
      "4": "Controlled element - Author",
      "5": "Controlled element - Record",
      "8": "Controlled element - None of the above"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Security classification (NR)"
      },
      "b": {
        "*": "Handling instructions (R)"
      },
      "c": {
        "*": "External dissemination information (R)"
      },
      "d": {
        "*": "Downgrading or declassification event (NR)"
      },
      "e": {
        "*": "Classification system (NR)"
      },
      "f": {
        "*": "Country of origin code (NR)"
      },
      "g": {
        "*": "Downgrading date (NR)"
      },
      "h": {
        "*": "Declassification date (NR)"
      },
      "j": {
        "*": "Authorization (R)"
      }
    },
    "value": "Security Classification Control\nSpecifics pertaining to the security classification associated with the document, title, abstract, contents note, and/or the author. In addition, it can contain handling instructions and external dissemination information pertaining to the dissemination of the document, title, abstract, contents note, and author. The field may also contain downgrading or declassification data, the name of the classification system, and a country of origin code."
  },
  "357": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Originator control term (NR)"
      },
      "b": {
        "*": "Originating agency (R)"
      },
      "c": {
        "*": "Authorized recipients of material (R)"
      },
      "g": {
        "*": "Other restrictions (R)"
      }
    },
    "value": "Originator Dissemination Control\nSpecifics pertaining to originator (i.e., author, producer) control of dissemination of the material in hand. Subfield $a contains a specific term denoting that the originator has control over the material."
  },
  "362": {
    "ind1": {
      "0": "Format of date - Formatted style",
      "1": "Format of date - Unformatted note"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Dates of publication and/or sequential designation (NR)"
      },
      "z": {
        "*": "Source of information (NR)"
      }
    },
    "value": "Dates of Publication and/or Sequential Designation\nBeginning/ending date(s) of an item and/or the sequential designations used on each part. Dates to be used in this field are chronological designations that identify individual issues of the continuing resource. The sequential designations are usually numeric but can be alphabetic as well. The information may be formatted or unformatted. If the date information has been obtained from a source other than the first and/or last issue of the item published, the information is given in an unformatted note and the source of the information is usually cited."
  },
  "363": {
    "ind1": {
      "0": "Start/End designator - Starting information",
      "1": "Start/End designator - Ending information",
      "#": "Start/End designator - No information provided"
    },
    "ind2": {
      "0": "State of issuance - Closed",
      "1": "State of issuance - Open",
      "#": "State of issuance - Not specified"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (NR)"
      },
      "a": {
        "*": "First level of enumeration (NR)"
      },
      "b": {
        "*": "Second level of enumeration (NR)"
      },
      "c": {
        "*": "Third level of enumeration (NR)"
      },
      "d": {
        "*": "Fourth level of enumeration (NR)"
      },
      "e": {
        "*": "Fifth level of enumeration (NR)"
      },
      "f": {
        "*": "Sixth level of enumeration (NR)"
      },
      "g": {
        "*": "Alternative numbering scheme, first level of enumeration (NR)"
      },
      "h": {
        "*": "Alternative numbering scheme, second level of enumeration (NR)"
      },
      "i": {
        "*": "First level of chronology (NR)"
      },
      "j": {
        "*": "Second level of chronology (NR)"
      },
      "k": {
        "*": "Third level of chronology (NR)"
      },
      "l": {
        "*": "Fourth level of chronology (NR)"
      },
      "m": {
        "*": "Alternative numbering scheme, chronology (NR)"
      },
      "u": {
        "*": "First level textual designation (NR)"
      },
      "v": {
        "*": "First level of chronology, issuance (NR)"
      },
      "x": {
        "*": "Nonpublic note (R)"
      },
      "z": {
        "*": "Public note (R)"
      }
    },
    "value": "Normalized Date and Sequential Designation\nThe numeric, alphabetic and/or normalized date designation used on the bibliographic item that identifies its parts and shows the relationship of the parts to the whole."
  },
  "365": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of price type code (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Price type code (NR)"
      },
      "b": {
        "*": "Price amount (NR)"
      },
      "c": {
        "*": "Currency code (NR)"
      },
      "d": {
        "*": "Unit of pricing (NR)"
      },
      "e": {
        "*": "Price note (NR)"
      },
      "f": {
        "*": "Price effective from (NR)"
      },
      "g": {
        "*": "Price effective until (NR)"
      },
      "h": {
        "*": "Tax rate 1 (NR)"
      },
      "i": {
        "*": "Tax rate 2 (NR)"
      },
      "j": {
        "*": "ISO country code (NR)"
      },
      "k": {
        "*": "MARC country code (NR)"
      },
      "m": {
        "*": "Identification of pricing entity (NR)"
      }
    },
    "value": "Trade Price\nCurrent price of an item or the special export price of an item in any currency."
  },
  "366": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of availability status code (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Publishers' compressed title identification (NR)"
      },
      "b": {
        "*": "Detailed date of publication (NR)"
      },
      "c": {
        "*": "Availability status code (NR)"
      },
      "d": {
        "*": "Expected next availability date (NR)"
      },
      "e": {
        "*": "Note (NR)"
      },
      "f": {
        "*": "Publisher's discount category (NR)"
      },
      "g": {
        "*": "Date made out of print (NR)"
      },
      "j": {
        "*": "ISO country code (NR)"
      },
      "k": {
        "*": "MARC country code (NR)"
      },
      "m": {
        "*": "Identification of agency (NR)"
      }
    },
    "value": "Trade Availability Information\nDetailed information relating to the availability of items from publishers."
  },
  "370": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "c": {
        "*": "Associated country"
      },
      "f": {
        "*": "Other associated place"
      },
      "g": {
        "*": "Place of origin of work or expression"
      },
      "i": {
        "*": "Relationship information"
      },
      "s": {
        "*": "Start period"
      },
      "t": {
        "*": "End period"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      },
      "v": {
        "*": "Source of information"
      }
    },
    "value": "Associated Place\nA place associated with works and expressions, including place of origin."
  },
  "377": {
    "ind1": {},
    "ind2": {
      "7": "Source of code - Source specified in $2",
      "#": "Source of code - MARC language code"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Language code"
      },
      "l": {
        "*": "Language term"
      }
    },
    "value": "Associated Language\nCodes for languages associated with the entity described in the record. Includes the language a person uses when writing for publication, broadcasting, etc., a language a corporate body uses in its communications, a language of a family, or a language in which a work is expressed."
  },
  "380": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Form of work"
      }
    },
    "value": "Form of Work\nA class or genre to which a work belongs. May be used to differentiate a work from another work with the same title."
  },
  "381": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Other distinguishing characteristic"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      },
      "v": {
        "*": "Source of information"
      }
    },
    "value": "Other Distinguishing Characteristics of Work or Expression\nAny characteristic that is not accommodated in a special field that serves to characterize a work or expression. Examples are an issuing body, arranged statement of music, version, or a geographic term. May be used to differentiate a work from another work with the same title."
  },
  "382": {
    "ind1": {
      "0": "Display constant controller - Medium of performance",
      "1": "Display constant controller - Partial medium of performance",
      "#": "Display constant controller - No information provided"
    },
    "ind2": {
      "0": "Access control - Not intended for access",
      "1": "Access control - Intended for access",
      "#": "Access control - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Medium of performance"
      },
      "b": {
        "*": "Soloist"
      },
      "d": {
        "*": "Doubling instrument"
      },
      "e": {
        "*": "Number of ensembles of the same type"
      },
      "n": {
        "*": "Number of performers of the same medium"
      },
      "p": {
        "*": "Alternative medium of performance"
      },
      "r": {
        "*": "Total number of individuals performing alongside ensembles"
      },
      "s": {
        "*": "Total number of performers"
      },
      "t": {
        "*": "Total number of ensembles"
      },
      "v": {
        "*": "Note"
      }
    },
    "value": "Medium of Performance\nFor manifestations: the instrumental, vocal, and/or other medium of performance embodied in the manifestation."
  },
  "383": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Serial number"
      },
      "b": {
        "*": "Opus number"
      },
      "c": {
        "*": "Thematic index number"
      },
      "d": {
        "*": "Thematic index code"
      },
      "e": {
        "*": "Publisher associated with opus number"
      }
    },
    "value": "Numeric Designation of Musical Work\nA serial number, opus number, or thematic index number assigned to a musical work by the composer, publisher, or a musicologist. May be used to differentiate a musical work from another with the same title."
  },
  "384": {
    "ind1": {
      "0": "Key type - Original key",
      "1": "Key type - Transposed key",
      "#": "Key type - Relationship to original unknown"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Key"
      }
    },
    "value": "Key\nThe set of pitch relationships that establishes a single pitch class as a tonal centre for a musical work or expression. May be used to differentiate a musical work or expression from another with the same title."
  },
  "385": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Audience term"
      },
      "b": {
        "*": "Audience code"
      },
      "m": {
        "*": "Demographic group term"
      },
      "n": {
        "*": "Demographic group code"
      }
    },
    "value": "Audience Characteristics\nA category of persons for which a resource is intended or a category of persons representing the intellectual level for which the content of a resource is considered appropriate."
  },
  "386": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Creator/contributor term"
      },
      "b": {
        "*": "Creator/contributor code"
      },
      "i": {
        "*": "Relationship information"
      },
      "m": {
        "*": "Demographic group term"
      },
      "n": {
        "*": "Demographic group code"
      }
    },
    "value": "Creator/Contributor Characteristics\nA group category to which the creator(s) of a work or compilation of works, or the contributor(s) to an expression or compilation of expressions, belongs."
  },
  "388": {
    "ind1": {
      "1": "Type of time period - Creation of work",
      "2": "Type of time period - Creation of aggregate work",
      "#": "Type of time period - No information provided"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Time period of creation term"
      }
    },
    "value": "Time Period of Creation\nThe time period of creation or origin of the work or expression (including aggregate works), or of the works or expressions contained in an aggregation."
  },
  "440": {
    "ind1": {},
    "ind2": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number (R)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Title (NR)"
      },
      "n": {
        "*": "Number of part/section of a work (R)"
      },
      "p": {
        "*": "Name of part/section of a work (R)"
      },
      "v": {
        "*": "Volume/sequential designation (NR)"
      },
      "w": {
        "*": "Bibliographic record control number (R)"
      },
      "x": {
        "*": "International Standard Serial Number (NR)"
      }
    },
    "value": "Series Statement/Added Entry-Title\nSeries statement consisting of a series title alone."
  },
  "490": {
    "ind1": {
      "0": "Series tracing policy - Series not traced",
      "1": "Series tracing policy - Series traced"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Series statement (R)"
      },
      "l": {
        "*": "Library of Congress call number (NR)"
      },
      "v": {
        "*": "Volume/sequential designation (R)"
      },
      "x": {
        "*": "International Standard Serial Number (R)"
      }
    },
    "value": "Series Statement\nSeries statement for a series title."
  },
  "500": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "General note (NR)"
      }
    },
    "value": "General Note\nGeneral information for which a specialized 5XX note field has not been defined."
  },
  "501": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "With note (NR)"
      }
    },
    "value": "With Note\nNote indicating that more than one bibliographical work is contained in the physical item at the time of publishing, release, issue, or execution. The works that are contained in the item usually have distinctive titles and lack a collective title."
  },
  "502": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Dissertation note (NR)"
      },
      "b": {
        "*": "Degree type (NR)"
      },
      "c": {
        "*": "Name of granting institution (NR)"
      },
      "d": {
        "*": "Year degree granted (NR)"
      },
      "g": {
        "*": "Miscellaneous information (R)"
      },
      "o": {
        "*": "Dissertation identifier (R)"
      }
    },
    "value": "Dissertation Note\nDesignation of an academic dissertation or thesis and the institution to which it was presented. Other notes indicating the relationship between the item being cataloged and the author's dissertation or thesis, such as statements indicating that the work represents or is based on the author's thesis (e.g., Originally presented as ...) are recorded in field 500 (General Note)."
  },
  "504": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Bibliography, etc. note (NR)"
      },
      "b": {
        "*": "Number of references (NR)"
      }
    },
    "value": "Bibliography, Etc. Note\nInformation on the presence of one or more bibliographies, discographies, filmographies, and/or other bibliographic references in a described item or in accompanying material."
  },
  "505": {
    "ind1": {
      "0": "Display constant controller - Contents",
      "1": "Display constant controller - Incomplete contents",
      "2": "Display constant controller - Partial contents",
      "8": "Display constant controller - No display constant generated"
    },
    "ind2": {
      "0": "Level of content designation - Enhanced",
      "#": "Level of content designation - Basic"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Formatted contents note (NR)"
      },
      "g": {
        "*": "Miscellaneous information (R)"
      },
      "r": {
        "*": "Statement of responsibility (R)"
      },
      "t": {
        "*": "Title (R)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Formatted Contents Note\nTitles of separate works or parts of an item or the table of contents. The field may also contain statements of responsibility and volume numbers or other sequential designations."
  },
  "506": {
    "ind1": {
      "0": "Restriction - No restrictions",
      "1": "Restriction - Restrictions apply",
      "#": "Restriction - No information provided"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Terms governing access"
      },
      "b": {
        "*": "Jurisdiction"
      },
      "c": {
        "*": "Physical access provisions"
      },
      "d": {
        "*": "Authorized users"
      },
      "e": {
        "*": "Authorization"
      },
      "f": {
        "*": "Standardized terminology for access restriction"
      },
      "g": {
        "*": "Availability date"
      },
      "q": {
        "*": "Supplying agency"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      }
    },
    "value": "Restrictions on Access Note\nInformation about restrictions imposed on access to the described materials."
  },
  "507": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Representative fraction of scale note (NR)"
      },
      "b": {
        "*": "Remainder of scale note (NR)"
      }
    },
    "value": "Scale Note for Graphic Material\nScale of a graphic material item given as a note. For visual materials, this field contains the scale of architectural drawings or three-dimensional artifacts. For maps, the scale of an item is contained in this field only in pre-AACR 2 cataloging records. Scale information is contained in field 255 (Mathematical Data Area) in AACR 2 formulated records."
  },
  "508": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Creation/production credits note (NR)"
      }
    },
    "value": "Creation/Production Credits Note\nCredits for persons or organizations, other than members of the cast, who have participated in the creation and/or production of the work. The introductory term Credits: is usually generated as a display constant."
  },
  "510": {
    "ind1": {
      "0": "Coverage/location in source - Coverage unknown",
      "1": "Coverage/location in source - Coverage complete",
      "2": "Coverage/location in source - Coverage is selective",
      "3": "Coverage/location in source - Location in source not given",
      "4": "Coverage/location in source - Location in source given"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Name of source (NR)"
      },
      "b": {
        "*": "Coverage of source (NR)"
      },
      "c": {
        "*": "Location within source (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "x": {
        "*": "International Standard Serial Number (NR)"
      }
    },
    "value": "Citation/References Note\nCitations or references to published bibliographic descriptions, reviews, abstracts, or indexes of the content of the described item."
  },
  "511": {
    "ind1": {
      "0": "Display constant controller - No display constant generated",
      "1": "Display constant controller - Cast"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Participant or performer note (NR)"
      }
    },
    "value": "Participant or Performer Note\nInformation about the participants, players, narrators, presenters, or performers."
  },
  "513": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Type of report (NR)"
      },
      "b": {
        "*": "Period covered (NR)"
      }
    },
    "value": "Type of Report and Period Covered Note\nInformation on the type of report and the period covered by the report."
  },
  "514": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Attribute accuracy report (NR)"
      },
      "b": {
        "*": "Attribute accuracy value (R)"
      },
      "c": {
        "*": "Attribute accuracy explanation (R)"
      },
      "d": {
        "*": "Logical consistency report (NR)"
      },
      "e": {
        "*": "Completeness report (NR)"
      },
      "f": {
        "*": "Horizontal position accuracy report (NR)"
      },
      "g": {
        "*": "Horizontal position accuracy value (R)"
      },
      "h": {
        "*": "Horizontal position accuracy explanation (R)"
      },
      "i": {
        "*": "Vertical positional accuracy report (NR)"
      },
      "j": {
        "*": "Vertical positional accuracy value (R)"
      },
      "k": {
        "*": "Vertical positional accuracy explanation (R)"
      },
      "m": {
        "*": "Cloud cover (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "z": {
        "*": "Display note (R)"
      }
    },
    "value": "Data Quality Note\nProvides a general assessment of the quality of the data set constituting the item."
  },
  "515": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Numbering peculiarities note (NR)"
      }
    },
    "value": "Numbering Peculiarities Note\nUnformatted note giving irregularities and peculiarities in numbering or publishing patterns, report year coverage, revised editions, and/or issuance in parts."
  },
  "516": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Type of file"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Type of computer file or data note (NR)"
      }
    },
    "value": "Type of Computer File or Data Note\nGeneral descriptor that characterizes the file (e.g., text, computer program, numeric). Specific information, such as the form or genre of textual material (e.g., biography, dictionaries, indexes) may be included. The general type of computer file information in coded form is recorded in 008/26 (Type of computer file)."
  },
  "518": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Date/time and place of an event note"
      },
      "d": {
        "*": "Date of event"
      },
      "o": {
        "*": "Other event information"
      },
      "p": {
        "*": "Place of event"
      }
    },
    "value": "Date/Time and Place of an Event Note\nNote on the date/time and/or place of creation, capture, recording, filming, execution, or broadcast associated with an event or the finding of a naturally occurring object. Field 033 (Date/Time and Place of an Event) contains the same information in coded form."
  },
  "520": {
    "ind1": {
      "0": "Display constant controller - Subject",
      "1": "Display constant controller - Review",
      "2": "Display constant controller - Scope and content",
      "3": "Display constant controller - Abstract",
      "4": "Display constant controller - Content advice",
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Summary"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Summary, etc. (NR)"
      },
      "b": {
        "*": "Expansion of summary note (NR)"
      },
      "c": {
        "*": "Assigning source (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Summary, Etc.\nUnformatted information that describes the scope and general contents of the materials."
  },
  "521": {
    "ind1": {
      "0": "Display constant controller - Reading grade level",
      "1": "Display constant controller - Interest age level",
      "2": "Display constant controller - Interest grade level",
      "3": "Display constant controller - Special audience characteristics",
      "4": "Display constant controller - Motivation/interest level",
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Audience"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Target audience note (R)"
      },
      "b": {
        "*": "Source (NR)"
      }
    },
    "value": "Target Audience Note\nInformation that identifies the specific audience or intellectual level for which the content of the described item is considered appropriate."
  },
  "522": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Geographic coverage"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Geographic coverage note (NR)"
      }
    },
    "value": "Geographic Coverage Note\nInformation about the geographic coverage of the described material (usually survey material). This information in coded form may be contained in field 052 (Geographic Classification Code)."
  },
  "524": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Cite as"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of schema used (NR)"
      },
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Preferred citation of described materials note (NR)"
      }
    },
    "value": "Preferred Citation of Described Materials Note\nFormat for the citation of the described materials that is preferred by the custodian."
  },
  "525": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Supplement note (NR)"
      }
    },
    "value": "Supplement Note\nInformation on the existence of supplements or special issues that are neither cataloged in separate records nor recorded in a linking entry field 770 (Supplement/Special Issue Entry)."
  },
  "526": {
    "ind1": {
      "0": "Display constant controller - Reading program",
      "8": "Display constant controller - No display constant generated"
    },
    "ind2": {},
    "subfields": {
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Program name (NR)"
      },
      "b": {
        "*": "Interest level (NR)"
      },
      "c": {
        "*": "Reading level (NR)"
      },
      "d": {
        "*": "Title point value (NR)"
      },
      "i": {
        "*": "Display text (NR)"
      },
      "x": {
        "*": "Nonpublic note (R)"
      },
      "z": {
        "*": "Public note (R)"
      }
    },
    "value": "Study Program Information Note\nNote giving the name of a study program which uses the title described in the record. Details about the study program data elements are also contained in the field. Field 526 is generally used for formal curriculum-based study or reading programs."
  },
  "530": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Additional physical form available note (NR)"
      },
      "b": {
        "*": "Availability source (NR)"
      },
      "c": {
        "*": "Availability conditions (NR)"
      },
      "d": {
        "*": "Order number (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Additional Physical Form Available Note\nInformation concerning a different physical format in which the described item is available."
  },
  "532": {
    "ind1": {
      "0": "Display constant controller - Accessibility technical details",
      "1": "Display constant controller - Accessibility features",
      "2": "Display constant controller - Accessibility deficiencies",
      "8": "Display constant controller - No display constant generated"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Summary of accessibility"
      }
    },
    "value": "Accessibility Note\nTextual information describing the accessibility features, hazards, and deficiencies of a resource, including technical details relating to accessibility features. This field may be used to expand on or to qualify data in field 341 (Accessibility Content)."
  },
  "533": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "7": {
        "*": "Fixed-length data elements of reproduction (NR) /0"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Type of reproduction (NR)"
      },
      "b": {
        "*": "Place of reproduction (R)"
      },
      "c": {
        "*": "Agency responsible for reproduction (R)"
      },
      "d": {
        "*": "Date of reproduction (NR)"
      },
      "e": {
        "*": "Physical description of reproduction (NR)"
      },
      "f": {
        "*": "Series statement of reproduction (R)"
      },
      "m": {
        "*": "Dates and/or sequential designation of issues reproduced (R)"
      },
      "n": {
        "*": "Note about reproduction (R)"
      }
    },
    "value": "Reproduction Note\nDescriptive data for a reproduction of an original item when the main portion of the bibliographic record describes the original item and the data differ."
  },
  "534": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Main entry of original (NR)"
      },
      "b": {
        "*": "Edition statement of original (NR)"
      },
      "c": {
        "*": "Publication, distribution, etc. of original (NR)"
      },
      "e": {
        "*": "Physical description, etc. of original (NR)"
      },
      "f": {
        "*": "Series statement of original (R)"
      },
      "k": {
        "*": "Key title of original (R)"
      },
      "l": {
        "*": "Location of original (NR)"
      },
      "m": {
        "*": "Material specific details (NR)"
      },
      "n": {
        "*": "Note about original (R)"
      },
      "o": {
        "*": "Other resource identifier (R)"
      },
      "p": {
        "*": "Introductory phrase (NR)"
      },
      "t": {
        "*": "Title statement of original (NR)"
      },
      "x": {
        "*": "International Standard Serial Number (R)"
      },
      "z": {
        "*": "International Standard Book Number (R)"
      }
    },
    "value": "Original Version Note\nDescriptive data for an original item when the main portion of the bibliographic record describes a reproduction of that item and the data differ. Details relevant to the original are given in field 534."
  },
  "535": {
    "ind1": {
      "1": "Custodial role - Holder of originals",
      "2": "Custodial role - Holder of duplicates"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Custodian (NR)"
      },
      "b": {
        "*": "Postal address (R)"
      },
      "c": {
        "*": "Country (R)"
      },
      "d": {
        "*": "Telecommunications address (R)"
      },
      "g": {
        "*": "Repository location code (NR)"
      }
    },
    "value": "Location of Originals/Duplicates Note\nName and address of the repository with custody over originals or duplicates of the described materials. This field is used only when the originals or duplicates are housed in a repository different from that of the materials being described."
  },
  "536": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Text of note (NR)"
      },
      "b": {
        "*": "Contract number (R)"
      },
      "c": {
        "*": "Grant number (R)"
      },
      "d": {
        "*": "Undifferentiated number (R)"
      },
      "e": {
        "*": "Program element number (R)"
      },
      "f": {
        "*": "Project number (R)"
      },
      "g": {
        "*": "Task number (R)"
      },
      "h": {
        "*": "Work unit number (R)"
      }
    },
    "value": "Funding Information Note\nContract, grant, and project numbers when the material results from a funded project. Information concerning the sponsor or funding agency also may be included."
  },
  "538": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (R)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "System details note (NR)"
      },
      "i": {
        "*": "Display text (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "System Details Note\nTechnical information about an item, such as the presence or absence of certain kinds of codes; or the physical characteristics of a computer file, such as recording densities, parity, blocking factors, mode of access, software programming language, computer requirements, peripheral requirements, trade name or recording systems, number of lines of resolution, and modulation frequency. For sound and videorecordings, information about the trade name or recording system(s) (e.g., VHS), modulation frequency and number of lines of resolution may be included."
  },
  "540": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Terms governing use and reproduction"
      },
      "b": {
        "*": "Jurisdiction"
      },
      "c": {
        "*": "Authorization"
      },
      "d": {
        "*": "Authorized users"
      },
      "f": {
        "*": "Use and reproduction rights"
      },
      "g": {
        "*": "Availability date"
      },
      "q": {
        "*": "Supplying agency"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      }
    },
    "value": "Terms Governing Use and Reproduction Note\nTerms governing the use of the materials after access has been provided. The field includes, but is not limited to, copyrights, film rights, trade restrictions, etc. that restrict the right to reproduce, exhibit, fictionalize, quote, etc."
  },
  "541": {
    "ind1": {
      "0": "Privacy - Private",
      "1": "Privacy - Not private",
      "#": "Privacy - No information provided"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Source of acquisition (NR)"
      },
      "b": {
        "*": "Address (NR)"
      },
      "c": {
        "*": "Method of acquisition (NR)"
      },
      "d": {
        "*": "Date of acquisition (NR)"
      },
      "e": {
        "*": "Accession number (NR)"
      },
      "f": {
        "*": "Owner (NR)"
      },
      "h": {
        "*": "Purchase price (NR)"
      },
      "n": {
        "*": "Extent (R)"
      },
      "o": {
        "*": "Type of unit (R)"
      }
    },
    "value": "Immediate Source of Acquisition Note\nInformation about the immediate source of acquisition of the described materials and is used primarily with original or historical items, or other archival collections."
  },
  "542": {
    "ind1": {
      "0": "Privacy - Private",
      "1": "Privacy - Not private",
      "#": "Privacy - No information provided"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Personal creator (NR)"
      },
      "b": {
        "*": "Personal creator death date (NR)"
      },
      "c": {
        "*": "Corporate creator (NR)"
      },
      "d": {
        "*": "Copyright holder (R)"
      },
      "e": {
        "*": "Copyright holder contact information (R)"
      },
      "f": {
        "*": "Copyright statement (R)"
      },
      "g": {
        "*": "Copyright date (NR)"
      },
      "h": {
        "*": "Copyright renewal date (R)"
      },
      "i": {
        "*": "Publication date (NR)"
      },
      "j": {
        "*": "Creation date (NR)"
      },
      "k": {
        "*": "Publisher (R)"
      },
      "l": {
        "*": "Copyright status (NR)"
      },
      "m": {
        "*": "Publication status (NR)"
      },
      "n": {
        "*": "Note (R)"
      },
      "o": {
        "*": "Research date (NR)"
      },
      "p": {
        "*": "Country of publication or creation (R)"
      },
      "q": {
        "*": "Supplying agency (NR)"
      },
      "r": {
        "*": "Jurisdiction of copyright assessment (NR)"
      },
      "s": {
        "*": "Source of information (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Information Relating to Copyright Status\nInformation known about the item that may be used to determine copyright status."
  },
  "544": {
    "ind1": {
      "0": "Relationship - Associated materials",
      "1": "Relationship - Related materials",
      "#": "Relationship - No information provided"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Custodian (R)"
      },
      "b": {
        "*": "Address (R)"
      },
      "c": {
        "*": "Country (R)"
      },
      "d": {
        "*": "Title (R)"
      },
      "e": {
        "*": "Provenance (R)"
      },
      "n": {
        "*": "Note (R)"
      }
    },
    "value": "Location of Other Archival Materials Note\nName and address of custodians of archival materials related to the described materials by provenance, specifically by having been, at a previous time, a part of the same collection or record group."
  },
  "545": {
    "ind1": {
      "0": "Type of data - Biographical sketch",
      "1": "Type of data - Administrative history",
      "#": "Type of data - No information provided"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Biographical or historical data (NR)"
      },
      "b": {
        "*": "Expansion (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Biographical or Historical Data\nBiographical information about an individual or historical information about an institution or event used as the main entry for the item being cataloged. When a distinction between levels of detail is required, a brief summary is given in subfield $a and a fuller annotation is given in subfield $b."
  },
  "546": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Language note"
      },
      "b": {
        "*": "Information code or alphabet"
      }
    },
    "value": "Language Note\nTextual information on the language or notation system used to convey the content of the described materials. A description of the alphabet, script, or other symbol system (e.g., arabic alphabet, ASCII, musical notation system, bar code, logarithmic graphing) may also be included. Coded language information is contained in fields 008/35-37 (Language) and/or 041 (Language code)."
  },
  "547": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Former title complexity note (NR)"
      }
    },
    "value": "Former Title Complexity Note\nDescription of the complex relationship between titles proper whenever an intelligible note cannot be system generated from the data in field 247 (Former Title)."
  },
  "550": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Issuing body note (NR)"
      }
    },
    "value": "Issuing Body Note\nInformation about the current and former issuing bodies of a continuing resource."
  },
  "552": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Entity type label (NR)"
      },
      "b": {
        "*": "Entity type definition and source (NR)"
      },
      "c": {
        "*": "Attribute label (NR)"
      },
      "d": {
        "*": "Attribute definition and source (NR)"
      },
      "e": {
        "*": "Enumerated domain value (R)"
      },
      "f": {
        "*": "Enumerated domain value definition and source (R)"
      },
      "g": {
        "*": "Range domain minimum and maximum (NR)"
      },
      "h": {
        "*": "Codeset name and source (NR)"
      },
      "i": {
        "*": "Unrepresentable domain (NR)"
      },
      "j": {
        "*": "Attribute units of measurement and resolution (NR)"
      },
      "k": {
        "*": "Beginning and ending date of attribute values (NR)"
      },
      "l": {
        "*": "Attribute value accuracy (NR)"
      },
      "m": {
        "*": "Attribute value accuracy explanation (NR)"
      },
      "n": {
        "*": "Attribute measurement frequency (NR)"
      },
      "o": {
        "*": "Entity and attribute overview (R)"
      },
      "p": {
        "*": "Entity and attribute detail citation (R)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "z": {
        "*": "Display note (R)"
      }
    },
    "value": "Entity and Attribute Information Note\nDescription of the information content of the data set, including the entity types, their attributes, and the domains from which attribute values may be assigned."
  },
  "555": {
    "ind1": {
      "0": "Display constant controller - Finding aids",
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Indexes"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Cumulative index/finding aids note (NR)"
      },
      "b": {
        "*": "Availability source (R)"
      },
      "c": {
        "*": "Degree of control (NR)"
      },
      "d": {
        "*": "Bibliographic reference (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Cumulative Index/Finding Aids Note\nInformation on the availability of cumulative indexes for continuing resources or finding aids and similar control materials for archival and manuscripts control and visual materials whose only or major focus is the described material."
  },
  "556": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Documentation"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Information about documentation note (NR)"
      },
      "z": {
        "*": "International Standard Book Number (R)"
      }
    },
    "value": "Information About Documentation Note\nInformation about the documentation of the described materials, such as codebooks which explain the contents and use of the file or a users’ manual to a serial."
  },
  "561": {
    "ind1": {
      "0": "Privacy - Private",
      "1": "Privacy - Not private",
      "#": "Privacy - No information provided"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "History (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Ownership and Custodial History\nCopy-specific field that contains information concerning the ownership and custodial history of the described materials from the time of their creation to the time of their accessioning, including the time at which individual items or groups of items were first brought together in their current arrangement or collation."
  },
  "562": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Identifying markings (R)"
      },
      "b": {
        "*": "Copy identification (R)"
      },
      "c": {
        "*": "Version identification (R)"
      },
      "d": {
        "*": "Presentation format (R)"
      },
      "e": {
        "*": "Number of copies (R)"
      }
    },
    "value": "Copy and Version Identification Note\nInformation that distinguishes the copy(s) or version(s) of materials when more than one copy or version exists or could exist."
  },
  "563": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Binding note (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      }
    },
    "value": "Binding Information\nBinding information intended primarily for use with antiquarian materials, rare books and other special collections."
  },
  "565": {
    "ind1": {
      "0": "Display constant controller - Case file characteristics",
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - File size"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Number of cases/variables (NR)"
      },
      "b": {
        "*": "Name of variable (R)"
      },
      "c": {
        "*": "Unit of analysis (R)"
      },
      "d": {
        "*": "Universe of data (R)"
      },
      "e": {
        "*": "Filing scheme or code (R)"
      }
    },
    "value": "Case File Characteristics Note\nInformation about the content and characteristics of case files and/or the number of cases or variables making up a case file or a database."
  },
  "567": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Methodology"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Methodology note"
      },
      "b": {
        "*": "Controlled term"
      }
    },
    "value": "Methodology Note\nInformation concerning significant methodological characteristics of the material, such as the algorithm, universe description, sampling procedures, classification, or validation characteristics."
  },
  "580": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Linking entry complexity note (NR)"
      }
    },
    "value": "Linking Entry Complexity Note\nDescription of the complex relationship between the item described in the record and other items that cannot be adequately generated from the linking entry fields 760-787."
  },
  "581": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Publications"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Publications about described materials note (NR)"
      },
      "z": {
        "*": "International Standard Book Number (R)"
      }
    },
    "value": "Publications About Described Materials Note\nCitation or information about a publication that is based on the use, study, or analysis of the materials described in the record."
  },
  "583": {
    "ind1": {
      "0": "Privacy - Private",
      "1": "Privacy - Not private",
      "#": "Privacy - No information provided"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of term (NR)"
      },
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Action (NR)"
      },
      "b": {
        "*": "Action identification (R)"
      },
      "c": {
        "*": "Time/date of action (R)"
      },
      "d": {
        "*": "Action interval (R)"
      },
      "e": {
        "*": "Contingency for action (R)"
      },
      "f": {
        "*": "Authorization (R)"
      },
      "h": {
        "*": "Jurisdiction (R)"
      },
      "i": {
        "*": "Method of action (R)"
      },
      "j": {
        "*": "Site of action (R)"
      },
      "k": {
        "*": "Action agent (R)"
      },
      "l": {
        "*": "Status (R)"
      },
      "n": {
        "*": "Extent (R)"
      },
      "o": {
        "*": "Type of unit (R)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "x": {
        "*": "Nonpublic note (R)"
      },
      "z": {
        "*": "Public note (R)"
      }
    },
    "value": "Action Note\nInformation about processing, reference, and preservation actions."
  },
  "584": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Accumulation (R)"
      },
      "b": {
        "*": "Frequency of use (R)"
      }
    },
    "value": "Accumulation and Frequency of Use Note\nMeasurements of and information about the rates of accumulation (for continuing, open-ended accessions) and/or the rate of reference use of the described materials."
  },
  "585": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Exhibitions note (NR)"
      }
    },
    "value": "Exhibitions Note\nCopy-specific field that contains a note which cites exhibitions where the material described has been shown."
  },
  "586": {
    "ind1": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Awards"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Awards note (NR)"
      }
    },
    "value": "Awards Note\nInformation on awards associated with the described item."
  },
  "588": {
    "ind1": {
      "0": "Display constant controller - Source of description",
      "1": "Display constant controller - Latest issue consulted",
      "#": "Display constant controller - No information provided"
    },
    "ind2": {},
    "subfields": {
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Source of description note"
      }
    },
    "value": "Source of Description Note\nInformation used for tracking and controlling the metadata contained in the record. It includes general and specific source of description notes that are especially of interest to other catalogers."
  },
  "600": {
    "ind1": {
      "0": "Type of personal name entry element - Forename",
      "1": "Type of personal name entry element - Surname",
      "3": "Type of personal name entry element - Family name"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Personal name"
      },
      "b": {
        "*": "Numeration"
      },
      "c": {
        "*": "Titles and other words associated with a name"
      },
      "d": {
        "*": "Dates associated with a name"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "j": {
        "*": "Attribution qualifier"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Fuller form of name"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Personal Name\nSubject added entry in which the entry element is a personal name."
  },
  "610": {
    "ind1": {
      "0": "Type of corporate name entry element - Inverted name",
      "1": "Type of corporate name entry element - Jurisdiction name",
      "2": "Type of corporate name entry element - Name in direct order"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Corporate name or jurisdiction name as entry element"
      },
      "b": {
        "*": "Subordinate unit"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Corporate Name\nSubject added entry in which the entry element is a corporate name."
  },
  "611": {
    "ind1": {
      "0": "Type of meeting name entry element - Inverted name",
      "1": "Type of meeting name entry element - Jurisdiction name",
      "2": "Type of meeting name entry element - Name in direct order"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Meeting name or jurisdiction name as entry element"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Subordinate unit"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "j": {
        "*": "Relator term"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Name of meeting following jurisdiction name entry element"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Meeting Name\nSubject added entry in which the entry element is a meeting or conference name."
  },
  "630": {
    "ind1": {
      "0": "Nonfiling characters - Number of nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Uniform Title\nSubject added entry in which the entry element is a uniform title."
  },
  "647": {
    "ind1": {},
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Named Event\nSubject added entry in which the entry element is a named event."
  },
  "648": {
    "ind1": {},
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Chronological term"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Chronological Term\nSubject added entry in which the entry element is a chronological term."
  },
  "650": {
    "ind1": {
      "0": "Level of subject - No level specified",
      "1": "Level of subject - Primary",
      "2": "Level of subject - Secondary",
      "#": "Level of subject - No information provided"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Topical term or geographic name entry element"
      },
      "b": {
        "*": "Topical term following geographic name entry element"
      },
      "c": {
        "*": "Location of event"
      },
      "d": {
        "*": "Active dates"
      },
      "e": {
        "*": "Relator term"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Topical Term\nSubject added entry in which the entry element is a topical term."
  },
  "651": {
    "ind1": {},
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Geographic name"
      },
      "e": {
        "*": "Relator term"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Geographic Name\nSubject added entry in which the entry element is a geographic name."
  },
  "653": {
    "ind1": {
      "0": "Level of index term - No level specified",
      "1": "Level of index term - Primary",
      "2": "Level of index term - Secondary",
      "#": "Level of index term - No information provided"
    },
    "ind2": {
      "0": "Type of term or name - Topical term",
      "1": "Type of term or name - Personal name",
      "2": "Type of term or name - Corporate name",
      "3": "Type of term or name - Meeting name",
      "4": "Type of term or name - Chronological term",
      "5": "Type of term or name - Geographic name",
      "6": "Type of term or name - Genre/form term",
      "#": "Type of term or name - No information provided"
    },
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Uncontrolled term (R)"
      }
    },
    "value": "Index Term-Uncontrolled\nIndex term added entry that is not constructed by standard subject heading/thesaurus-building conventions."
  },
  "654": {
    "ind1": {
      "0": "Level of subject - No level specified",
      "1": "Level of subject - Primary",
      "2": "Level of subject - Secondary",
      "#": "Level of subject - No information provided"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Focus term"
      },
      "b": {
        "*": "Non-focus term"
      },
      "c": {
        "*": "Facet/hierarchy designation"
      },
      "e": {
        "*": "Relator term"
      },
      "v": {
        "*": "Form subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Subject Added Entry-Faceted Topical Terms\nTopical subject constructed from a faceted vocabulary."
  },
  "655": {
    "ind1": {
      "0": "Type of heading - Faceted",
      "#": "Type of heading - Basic"
    },
    "ind2": {
      "0": "Thesaurus - Library of Congress Subject Headings",
      "1": "Thesaurus - LC subject headings for children's literature",
      "2": "Thesaurus - Medical Subject Headings",
      "3": "Thesaurus - National Agricultural Library subject authority file",
      "4": "Thesaurus - Source not specified",
      "5": "Thesaurus - Canadian Subject Headings",
      "6": "Thesaurus - Répertoire de vedettes-matière",
      "7": "Thesaurus - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Genre/form data or focus term"
      },
      "b": {
        "*": "Non-focus term"
      },
      "c": {
        "*": "Facet/hierarchy designation"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Index Term-Genre/Form\nTerms indicating the genre, form, and/or physical characteristics of the materials being described. A genre term designates the style or technique of the intellectual content of textual materials or, for graphic materials, aspects such as vantage point, intended purpose, characteristics of the creator, publication status, or method of representation. A form term designates historically and functionally specific kinds of materials distinguished by their physical character, the subject of their intellectual content, or the order of information within them. Physical characteristic terms designate historically and functionally specific kinds of materials as distinguished by an examination of their physical character, subject of their intellectual content, or the order of information with them."
  },
  "656": {
    "ind1": {},
    "ind2": {
      "7": "Source of term - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Occupation"
      },
      "k": {
        "*": "Form"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Index Term-Occupation\nIndex term that is descriptive of the occupation (including avocation) reflected in the contents of the described materials."
  },
  "657": {
    "ind1": {},
    "ind2": {
      "7": "Source of term - Source specified in subfield $2"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Function"
      },
      "v": {
        "*": "Form subdivision"
      },
      "x": {
        "*": "General subdivision"
      },
      "y": {
        "*": "Chronological subdivision"
      },
      "z": {
        "*": "Geographic subdivision"
      }
    },
    "value": "Index Term-Function\nIndex term that describes the activity or function that generated the described materials."
  },
  "658": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of term or code (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Main curriculum objective (NR)"
      },
      "b": {
        "*": "Subordinate curriculum objective (R)"
      },
      "c": {
        "*": "Curriculum code (NR)"
      },
      "d": {
        "*": "Correlation factor (NR)"
      }
    },
    "value": "Index Term-Curriculum Objective\nIndex terms denoting curriculum or course-of-study objectives applicable to the content of the described materials. The field may also contain correlation factors indicating the degree to which the described materials meet an objective. Codes assigned to specific objectives in published lists are also recorded in this field."
  },
  "662": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Country or larger entity"
      },
      "b": {
        "*": "First-order political jurisdiction"
      },
      "c": {
        "*": "Intermediate political jurisdiction"
      },
      "d": {
        "*": "City"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "City subsection"
      },
      "g": {
        "*": "Other nonjurisdictional geographic region and feature"
      },
      "h": {
        "*": "Extraterrestrial area"
      }
    },
    "value": "Subject Added Entry-Hierarchical Place Name\nHierarchical form of a geographic name used as a subject added entry."
  },
  "688": {
    "ind1": {},
    "ind2": {
      "7": "Source of name, title, or term - Source specified in subfield $2",
      "#": "Source of name, title, or term - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of name, title, or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Name, title, or term"
      },
      "e": {
        "*": "Relator term"
      },
      "g": {
        "*": "Miscellaneous information"
      }
    },
    "value": "Subject Added Entry-Type of Entity Unspecified\nSubject added entry in which the entity type of the entry element is unspecified."
  },
  "700": {
    "ind1": {
      "0": "Type of personal name entry element - Forename",
      "1": "Type of personal name entry element - Surname",
      "3": "Type of personal name entry element - Family name"
    },
    "ind2": {
      "2": "Type of added entry - Analytical entry",
      "#": "Type of added entry - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Personal name"
      },
      "b": {
        "*": "Numeration"
      },
      "c": {
        "*": "Titles and other words associated with a name"
      },
      "d": {
        "*": "Dates associated with a name"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "i": {
        "*": "Relationship information"
      },
      "j": {
        "*": "Attribution qualifier"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Fuller form of name"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Added Entry-Personal Name\nAdded entry in which the entry element is a personal name."
  },
  "710": {
    "ind1": {
      "0": "Type of corporate name entry element - Inverted name",
      "1": "Type of corporate name entry element - Jurisdiction name",
      "2": "Type of corporate name entry element - Name in direct order"
    },
    "ind2": {
      "2": "Type of added entry - Analytical entry",
      "#": "Type of added entry - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Corporate name or jurisdiction name as entry element"
      },
      "b": {
        "*": "Subordinate unit"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Added Entry-Corporate Name\nAdded entry in which the entry element is a corporate name."
  },
  "711": {
    "ind1": {
      "0": "Type of meeting name entry element - Inverted name",
      "1": "Type of meeting name entry element - Jurisdiction name",
      "2": "Type of meeting name entry element - Name in direct order"
    },
    "ind2": {
      "2": "Type of added entry - Analytical entry",
      "#": "Type of added entry - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Meeting name or jurisdiction name as entry element"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Subordinate unit"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "i": {
        "*": "Relationship information"
      },
      "j": {
        "*": "Relator term"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Name of meeting following jurisdiction name entry element"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Added Entry-Meeting Name\nAdded entry in which the entry element is a meeting name."
  },
  "720": {
    "ind1": {
      "1": "Type of name - Personal",
      "2": "Type of name - Other",
      "#": "Type of name - Not specified"
    },
    "ind2": {},
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Name"
      },
      "e": {
        "*": "Relator term"
      }
    },
    "value": "Added Entry-Uncontrolled Name\nAdded entry in which the name is not controlled in an authority file or list. It is also used for names that have not been formulated according to cataloging rules. Names may be of any type (e.g., personal, corporate, meeting)."
  },
  "730": {
    "ind1": {
      "0": "Nonfiling characters - Number of nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "ind2": {
      "2": "Type of added entry - Analytical entry",
      "#": "Type of added entry - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Added Entry-Uniform Title\nUniform title, a related or an analytical title that is controlled by an authority file or list, used as an added entry."
  },
  "740": {
    "ind1": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "ind2": {
      "2": "Type of added entry - Analytical entry",
      "#": "Type of added entry - No information provided"
    },
    "subfields": {
      "5": {
        "*": "Institution to which field applies (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Uncontrolled related/analytical title (NR)"
      },
      "h": {
        "*": "Medium (NR)"
      },
      "n": {
        "*": "Number of part/section of a work (R)"
      },
      "p": {
        "*": "Name of part/section of a work (R)"
      }
    },
    "value": "Added Entry-Uncontrolled Related/Analytical Title\nAdded entries for related or analytical titles that are not controlled through an authority file or list. (If related or analytical titles are controlled by an authority file, use field 730 (Added entry - uniform title))."
  },
  "751": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Geographic name"
      },
      "e": {
        "*": "Relator term"
      },
      "g": {
        "*": "Miscellaneous information"
      }
    },
    "value": "Added Entry-Geographic Name\nAdded entry in which the entry element is a geographic name that is related to a particular attribute of the described item, e.g., the place of publication for a rare book, place of distribution, place of a university to which a dissertation is submitted, place of an event such as a conference, etc."
  },
  "752": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Country or larger entity"
      },
      "b": {
        "*": "First-order political jurisdiction"
      },
      "c": {
        "*": "Intermediate political jurisdiction"
      },
      "d": {
        "*": "City"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "City subsection"
      },
      "g": {
        "*": "Other nonjurisdictional geographic region and feature"
      },
      "h": {
        "*": "Extraterrestrial area"
      }
    },
    "value": "Added Entry-Hierarchical Place Name\nAdded entry in which the entry element is a hierarchical form of place name that is related to a particular attribute of the described item, e.g., the place of publication for a rare book. For display, a dash (--) may be generated to separate the subelements of the place name, e.g., Canada -- British Columbia -- Vancouver."
  },
  "753": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Make and model of machine"
      },
      "b": {
        "*": "Programming language"
      },
      "c": {
        "*": "Operating system"
      }
    },
    "value": "System Details Access to Computer Files\nInformation on the technical aspects of a computer file and any accompanying material that may be used to select and arrange the record with other records in a printed index."
  },
  "754": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of taxonomic identification"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Taxonomic name"
      },
      "c": {
        "*": "Taxonomic category"
      },
      "d": {
        "*": "Common or alternative name"
      },
      "x": {
        "*": "Non-public note"
      },
      "z": {
        "*": "Public note"
      }
    },
    "value": "Added Entry-Taxonomic Identification\nAdded entry in which the entry element is the taxonomic name or category associated with the described item."
  },
  "758": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Label"
      },
      "i": {
        "*": "Relationship information"
      }
    },
    "value": "Resource Identifier\nAn identifier for a resource that is either the resource described in the bibliographic record or a resource to which it is related. Resources thus identified may include, but are not limited to, FRBR works, expressions, manifestations, and items. The field does not prescribe a particular content standard or data model."
  },
  "760": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Main series"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      }
    },
    "value": "Main Series Entry\nInformation concerning the related main series when the target item is a subseries (vertical relationship). When a note is generated from this field, the introductory phrase Main series: or Subseries of: may be generated based on the field tag for display."
  },
  "762": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Has subseries"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      }
    },
    "value": "Subseries Entry\nInformation concerning a related subseries when the target item is a main series or a parent subseries (vertical relationship). When a note is generated from this field, the introductory phrase Has subseries: may be generated based on the field tag for display."
  },
  "765": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Translation of"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Original Language Entry\nInformation concerning the publication in its original language when the target item is a translation (horizontal relationship). When a note is generated from this field, the introductory phrase Translation of: may be generated based on the field tag for display."
  },
  "767": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Translated as"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Translation Entry\nInformation concerning the publication in some other language other than the original when the target item is in the original language or is another translation (horizontal relationship). When a note is generated from this field, the introductory phrase Translated as: may be generated based on the field tag for display."
  },
  "770": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Has supplement"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Supplement/Special Issue Entry\nInformation concerning the supplement or special issue associated with the target item but cataloged and/or input as a separate record (vertical relationship). When a note is generated from this field, the introductory phrase Has supplement: may be generated based on the field tag for display."
  },
  "772": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "0": "Display constant controller - Parent",
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Supplement to"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Supplement Parent Entry\nInformation concerning the related parent record when the target item is a single issue, supplement or special issue (vertical relationship) of the parent item. When a note is generated from this field, the introductory phrase Supplement to: may be generated based on the field tag for display."
  },
  "773": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - In"
    },
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "p": {
        "*": "Abbreviated title"
      },
      "q": {
        "*": "Enumeration and first page"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Host Item Entry\nInformation concerning the host item for the constituent unit described in the record (vertical relationship). In the case of host items that are serial or multi-volume in nature, information in subfields $g and $q is necessary to point to the exact location of the component part within the bibliographic item."
  },
  "774": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Constituent unit"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Constituent Unit Entry\nInformation concerning a constituent unit associated with a larger bibliographic unit (vertical relationship). When a note is generated from this field, the introductory term Constituent unit: may be generated based on the field tag for display."
  },
  "775": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Other edition available"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "e": {
        "*": "Language code"
      },
      "f": {
        "*": "Country code"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Other Edition Entry\nEntry for another available edition of the target item (horizontal relationship). When a note is generated from this field, the introductory phrase Other editions available: may be generated based on the field tag for display."
  },
  "776": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Available in another form"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Additional Physical Form Entry\nInformation concerning another available physical form of the target item (horizontal relationship). When a note is generated from this field, the introductory phrase Available in other form: may be generated based on the field tag for display."
  },
  "777": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Issued with"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Issued With Entry\nInformation concerning the publication that is separately cataloged but that is issued with or included in the target item (horizontal relationship). When a note is generated from this field, the introductory phrase Issued with: may be generated based on the field tag for display."
  },
  "780": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "0": "Type of relationship - Continues",
      "1": "Type of relationship - Continues in part",
      "2": "Type of relationship - Supersedes",
      "3": "Type of relationship - Supersedes in part",
      "4": "Type of relationship - Formed by the union of ... and ...",
      "5": "Type of relationship - Absorbed",
      "6": "Type of relationship - Absorbed in part",
      "7": "Type of relationship - Separated from"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Preceding Entry\nInformation concerning the immediate predecessor of the target item (chronological relationship). When a note is generated from this field, the introductory term or phrase may be generated based on the value in the second indicator position for display."
  },
  "785": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "0": "Type of relationship - Continued by",
      "1": "Type of relationship - Continued in part by",
      "2": "Type of relationship - Superseded by",
      "3": "Type of relationship - Superseded in part by",
      "4": "Type of relationship - Absorbed by",
      "5": "Type of relationship - Absorbed in part by",
      "6": "Type of relationship - Split into ... and ...",
      "7": "Type of relationship - Merged with ... to form ...",
      "8": "Type of relationship - Changed back to"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Succeeding Entry\nInformation concerning the immediate successor to the target item (chronological relationship). When a note is generated from this field, the introductory phrase may be generated based on the value in the second indicator position for display."
  },
  "786": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Data source"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "j": {
        "*": "Period of content"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "p": {
        "*": "Abbreviated title"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "v": {
        "*": "Source Contribution"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Data Source Entry\nInformation pertaining to a data source to which the described item is related. It may contain information about other files, printed sources, or collection procedures."
  },
  "787": {
    "ind1": {
      "0": "Note controller - Display note",
      "1": "Note controller - Do not display note"
    },
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Related item"
    },
    "subfields": {
      "4": {
        "*": "Relationship"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Main entry heading"
      },
      "b": {
        "*": "Edition"
      },
      "c": {
        "*": "Qualifying information"
      },
      "d": {
        "*": "Place, publisher, and date of publication"
      },
      "g": {
        "*": "Related parts"
      },
      "h": {
        "*": "Physical description"
      },
      "i": {
        "*": "Relationship information"
      },
      "k": {
        "*": "Series data for related item"
      },
      "m": {
        "*": "Material-specific details"
      },
      "n": {
        "*": "Note"
      },
      "o": {
        "*": "Other item identifier"
      },
      "r": {
        "*": "Report number"
      },
      "s": {
        "*": "Uniform title"
      },
      "t": {
        "*": "Title"
      },
      "u": {
        "*": "Standard Technical Report Number"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      },
      "y": {
        "*": "CODEN designation"
      },
      "z": {
        "*": "International Standard Book Number"
      }
    },
    "value": "Other Relationship Entry\nInformation concerning the work related to the target item when the relationship does not fit any of those defined in fields 760-785."
  },
  "800": {
    "ind1": {
      "0": "Type of personal name entry element - Forename",
      "1": "Type of personal name entry element - Surname",
      "3": "Type of personal name entry element - Family name"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Personal name"
      },
      "b": {
        "*": "Numeration"
      },
      "c": {
        "*": "Titles and other words associated with a name"
      },
      "d": {
        "*": "Dates associated with a name"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "j": {
        "*": "Attribution qualifier"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Fuller form of name"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Volume/sequential designation"
      },
      "w": {
        "*": "Bibliographic record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Series Added Entry-Personal Name\nAuthor/title series added entry in which the author portion is a personal name."
  },
  "810": {
    "ind1": {
      "0": "Type of corporate name entry element - Inverted name",
      "1": "Type of corporate name entry element - Jurisdiction name",
      "2": "Type of corporate name entry element - Name in direct order"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Corporate name or jurisdiction name as entry element"
      },
      "b": {
        "*": "Subordinate unit"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Relator term"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Volume/sequential designation"
      },
      "w": {
        "*": "Bibliographic record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Series Added Entry-Corporate Name\nAuthor/title series added entry in which the author portion is a corporate name."
  },
  "811": {
    "ind1": {
      "0": "Type of meeting name entry element See the description of the first indicator under field 111. - Inverted name",
      "1": "Type of meeting name entry element See the description of the first indicator under field 111. - Jurisdiction name",
      "2": "Type of meeting name entry element See the description of the first indicator under field 111. - Name in direct order"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "4": {
        "*": "Relationship"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Meeting name or jurisdiction name as entry element"
      },
      "c": {
        "*": "Location of meeting"
      },
      "d": {
        "*": "Date of meeting or treaty signing"
      },
      "e": {
        "*": "Subordinate unit"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "j": {
        "*": "Relator term"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "n": {
        "*": "Number of part/section/meeting"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "q": {
        "*": "Name of meeting following jurisdiction name entry element"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "u": {
        "*": "Affiliation"
      },
      "v": {
        "*": "Volume/sequential designation"
      },
      "w": {
        "*": "Bibliographic record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Series Added Entry-Meeting Name\nAuthor/title series added entry in which the author portion is a meeting name or conference name."
  },
  "830": {
    "ind1": {},
    "ind2": {
      "0": "Nonfiling characters - No nonfiling characters",
      "1": "Nonfiling characters - Number of nonfiling characters",
      "2": "Nonfiling characters - Number of nonfiling characters",
      "3": "Nonfiling characters - Number of nonfiling characters",
      "4": "Nonfiling characters - Number of nonfiling characters",
      "5": "Nonfiling characters - Number of nonfiling characters",
      "6": "Nonfiling characters - Number of nonfiling characters",
      "7": "Nonfiling characters - Number of nonfiling characters",
      "8": "Nonfiling characters - Number of nonfiling characters",
      "9": "Nonfiling characters - Number of nonfiling characters"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of heading or term"
      },
      "3": {
        "*": "Materials specified"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Control subfield"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Uniform title"
      },
      "d": {
        "*": "Date of treaty signing"
      },
      "f": {
        "*": "Date of a work"
      },
      "g": {
        "*": "Miscellaneous information"
      },
      "h": {
        "*": "Medium"
      },
      "k": {
        "*": "Form subheading"
      },
      "l": {
        "*": "Language of a work"
      },
      "m": {
        "*": "Medium of performance for music"
      },
      "n": {
        "*": "Number of part/section of a work"
      },
      "o": {
        "*": "Arranged statement for music"
      },
      "p": {
        "*": "Name of part/section of a work"
      },
      "r": {
        "*": "Key for music"
      },
      "s": {
        "*": "Version"
      },
      "t": {
        "*": "Title of a work"
      },
      "v": {
        "*": "Volume/sequential designation"
      },
      "w": {
        "*": "Bibliographic record control number"
      },
      "x": {
        "*": "International Standard Serial Number"
      }
    },
    "value": "Series Added Entry-Uniform Title\nSeries added entry consisting of a series title alone."
  },
  "850": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Holding institution (R) See Organization Code Sources for a listing of sources used in MARC 21 records."
      }
    },
    "value": "Holding Institution\nInformation concerning holdings of the described item by the specified institution."
  },
  "852": {
    "ind1": {
      "0": "Shelving scheme - Library of Congress classification",
      "1": "Shelving scheme - Dewey Decimal classification",
      "2": "Shelving scheme - National Library of Medicine classification",
      "3": "Shelving scheme - Superintendent of Documents classification",
      "4": "Shelving scheme - Shelving control number",
      "5": "Shelving scheme - Title",
      "6": "Shelving scheme - Shelved separately",
      "7": "Shelving scheme - Source specified in subfield $2",
      "8": "Shelving scheme - Other scheme",
      "#": "Shelving scheme - No information provided"
    },
    "ind2": {
      "0": "Shelving order - Not enumeration",
      "1": "Shelving order - Primary enumeration",
      "2": "Shelving order - Alternative enumeration",
      "#": "Shelving order - No information provided"
    },
    "subfields": {
      "2": {
        "*": "Source of classification or shelving scheme (NR)"
      },
      "3": {
        "*": "Materials specified (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Sequence number (NR)"
      },
      "a": {
        "*": "Location (NR) See: MARC Code List for Organizations."
      },
      "b": {
        "*": "Sublocation or collection (R)"
      },
      "c": {
        "*": "Shelving location (R)"
      },
      "d": {
        "*": "Former shelving location (R)"
      },
      "e": {
        "*": "Edition(s) part"
      },
      "f": {
        "*": "Coded location qualifier (R) l, p"
      },
      "l": {
        "*": "Shelving form of title (NR)"
      },
      "p": {
        "*": "Piece designation (NR)"
      },
      "#": {
        "*": "No information provided"
      },
      "1-9": {
        "*": "Number of units"
      },
      "m": {
        "*": "Call number suffix (R)"
      },
      "w": {
        "*": "Week(s) time"
      },
      "y": {
        "*": "Year(s) time"
      },
      "i": {
        "*": "Item part (R)"
      },
      "s": {
        "*": "Copyright article-fee code (R)"
      },
      "g": {
        "*": "Non-coded location qualifier (R)"
      },
      "h": {
        "*": "Classification part (NR)"
      },
      "j": {
        "*": "Shelving control number (NR)"
      },
      "k": {
        "*": "Call number prefix (R)"
      },
      "n": {
        "*": "Country code (NR)"
      },
      "q": {
        "*": "Piece physical condition (NR)"
      },
      "t": {
        "*": "Copy number (NR)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "x": {
        "*": "Nonpublic note (R)"
      },
      "z": {
        "*": "Public note (R)"
      }
    },
    "value": "Location\nIdentifies the organization holding the item or from which it is available. May also contain detailed information about how to locate the item in a collection."
  },
  "856": {
    "ind1": {
      "0": "Access method - Email",
      "1": "Access method - FTP",
      "2": "Access method - Remote login (Telnet)",
      "3": "Access method - Dial-up",
      "4": "Access method - HTTP",
      "7": "Access method - Method specified in subfield $2",
      "#": "Access method - No information provided"
    },
    "ind2": {
      "0": "Relationship - Resource",
      "1": "Relationship - Version of resource",
      "2": "Relationship - Related resource",
      "8": "Relationship - No display constant generated",
      "#": "Relationship - No information provided"
    },
    "subfields": {
      "2": {
        "*": "Access method"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "7": {
        "*": "Access status"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Host name"
      },
      "b": {
        "*": "Access number"
      },
      "c": {
        "*": "Compression information"
      },
      "d": {
        "*": "Path"
      },
      "f": {
        "*": "Electronic name"
      },
      "h": {
        "*": "Processor of request"
      },
      "i": {
        "*": "Instruction"
      },
      "j": {
        "*": "Bits per second"
      },
      "k": {
        "*": "Password"
      },
      "l": {
        "*": "Logon"
      },
      "m": {
        "*": "Contact for access assistance"
      },
      "n": {
        "*": "Name of location of host"
      },
      "o": {
        "*": "Operating system"
      },
      "p": {
        "*": "Port"
      },
      "q": {
        "*": "Electronic format type"
      },
      "r": {
        "*": "Settings"
      },
      "s": {
        "*": "File size"
      },
      "t": {
        "*": "Terminal emulation"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      },
      "v": {
        "*": "Hours access method available"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "Nonpublic note"
      },
      "y": {
        "*": "Link text"
      },
      "z": {
        "*": "Public note"
      }
    },
    "value": "Electronic Location and Access\nInformation needed to locate and access an electronic resource. The field may be used in a bibliographic record for a resource when that resource or a subset of it is available electronically. In addition, it may be used to locate and access an electronic version of a non-electronic resource described in the bibliographic record or a related electronic resource."
  },
  "880": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "a-z": {
        "*": "Same as associated field"
      },
      "0-5": {
        "*": "Same as associated field"
      },
      "7-9": {
        "*": "Same as associated field"
      }
    },
    "value": "Alternate Graphic Representation\nFully content-designated representation, in a different script, of another field in the same record. Field 880 is linked to the associated regular field by subfield $6 (Linkage). A subfield $6 in the associated field also links that field to the 880 field. The data in field 880 may be in more than one script."
  },
  "882": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Replacement title (R)"
      },
      "i": {
        "*": "Explanatory text (R)"
      },
      "w": {
        "*": "Replacement bibliographic record control number (R)"
      }
    },
    "value": "Replacement Record Information\nInformation about the replacement bibliographic record in a deleted record. The replacement title(s) may be contained in subfield(s) $a."
  },
  "883": {
    "ind1": {
      "0": "Method of machine assignment - Fully machine-generated",
      "1": "Method of machine assignment - Partially machine-generated",
      "#": "Method of machine assignment - No information provided/not applicable"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Generation process"
      },
      "c": {
        "*": "Confidence value"
      },
      "d": {
        "*": "Generation date"
      },
      "q": {
        "*": "Generation agency"
      },
      "x": {
        "*": "Validity end date"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      },
      "w": {
        "*": "Bibliographic record control number"
      }
    },
    "value": "Machine-generated Metadata Provenance\nUsed to provide information about the provenance of metadata in data fields in the record, with special provision for machine generation. Field 883 contains a link to the field to which it pertains. Intended for use with data fields that have been fully or partially machine-generated, i.e., generated by some named process other than intellectual creation."
  },
  "884": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "a": {
        "*": "Conversion process"
      },
      "g": {
        "*": "Conversion date"
      },
      "k": {
        "*": "Identifier of source metadata"
      },
      "q": {
        "*": "Conversion agency"
      },
      "u": {
        "*": "Uniform Resource Identifier"
      }
    },
    "value": "Description Conversion Information\nUsed to provide information about the origin of a MARC record which has been converted by machine from another metadata structure."
  },
  "885": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "a": {
        "*": "Matching information"
      },
      "b": {
        "*": "Status of matching and its checking"
      },
      "c": {
        "*": "Confidence value"
      },
      "d": {
        "*": "Generation date"
      },
      "w": {
        "*": "Record control number"
      },
      "x": {
        "*": "Nonpublic note"
      },
      "z": {
        "*": "Public note"
      }
    },
    "value": "Matching Information\nInformation about the results of a matching process, intended to assist catalogers in the verification of a possible match between two records."
  },
  "886": {
    "ind1": {
      "0": "Type of field - Leader",
      "1": "Type of field - Variable control fields (002-009)",
      "2": "Type of field - Variable data fields (010-999)"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of data (NR)"
      },
      "a": {
        "*": "Tag of the foreign MARC field (NR)"
      },
      "b": {
        "*": "Content of the foreign MARC field (NR)"
      },
      "a-z": {
        "*": "Foreign MARC subfield (R)"
      },
      "0-9": {
        "*": "Foreign MARC subfield (R)"
      }
    },
    "value": "Foreign MARC Information Field\nUsed when converting foreign MARC records into the MARC format. Contains data from a foreign MARC record for which there is no corresponding MARC field."
  },
  "887": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of data (NR)"
      },
      "a": {
        "*": "Content of non-MARC field (NR)"
      }
    },
    "value": "Non-MARC Information Field\nData from non-MARC records for which there are no corresponding MARC 21 fields. Used when converting non-MARC records into the MARC 21 format."
  },
  "013": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Number (NR)"
      },
      "b": {
        "*": "Country (NR)"
      },
      "c": {
        "*": "Type of number (NR)"
      },
      "d": {
        "*": "Date (R)"
      },
      "e": {
        "*": "Status (R)"
      },
      "f": {
        "*": "Party to document (R)"
      }
    },
    "value": "Patent Control Information\nInformation used to control patent documents. In addition to information about patents, this field may contain information relating to inventors' certificates, utility certificates, utility models, patents or certificates of addition, inventors' certificates of addition, utility certificates of addition, and published applications for any of these."
  },
  "015": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "National bibliography number"
      },
      "q": {
        "*": "Qualifying information"
      },
      "z": {
        "*": "Canceled/invalid national bibliography number"
      }
    },
    "value": "National Bibliography Number\nBibliography entry number(s) for cataloging information that is derived from a national bibliography."
  },
  "038": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Record content licensor (NR)"
      }
    },
    "value": "Record Content Licensor\nMARC code of the organization that licenses the intellectual property rights to the data contained in the record, such as with contractual arrangements. See Appendix I: Organization Code Sources for a listing of sources used in MARC 21 records."
  },
  "010": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "LC control number (NR)"
      },
      "b": {
        "*": "NUCMC control number (R)"
      },
      "z": {
        "*": "Canceled/invalid LC control number (R)"
      }
    },
    "value": "Library of Congress Control Number\nUnique number assigned to a MARC record by the Library of Congress. Valid MARC prefixes for LC control numbers are published in MARC 21 Format for Bibliographic Data."
  },
  "033": {
    "ind1": {
      "0": "Type of date in subfield $a - Single date",
      "1": "Type of date in subfield $a - Multiple single dates",
      "2": "Type of date in subfield $a - Range of dates",
      "#": "Type of date in subfield $a - No date information"
    },
    "ind2": {
      "0": "Type of event - Capture",
      "1": "Type of event - Broadcast",
      "2": "Type of event - Finding",
      "#": "Type of event - No information provided"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of term"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Formatted date/time"
      },
      "b": {
        "*": "Geographic classification area code"
      },
      "c": {
        "*": "Geographic classification subarea code"
      },
      "p": {
        "*": "Place of event"
      }
    },
    "value": "Date/Time and Place of an Event\nFormatted date/time and/or coded place of creation, capture, recording, filming, execution, or broadcast associated with an event or the finding of a naturally occurring object. This information in textual form is contained in field 518 (Date/Time and Place of an Event Note)."
  },
  "005": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Date and Time of Latest Transaction\nSixteen characters that indicate the date and time of the latest record transaction and serve as a version identifier for the record. They are recorded according to Representation of Dates and Times (ISO 8601). The date requires 8 numeric characters in the pattern yyyymmdd. The time requires 8 numeric characters in the pattern hhmmss.f, expressed in terms of the 24-hour (00-23) clock."
  },
  "008": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Fixed-Length Data Elements-General Information\nForty character positions (00-39) that provide coded information about the record as a whole and about special bibliographic aspects of the item being cataloged. These coded data elements are potentially useful for retrieval and data management purposes."
  },
  "007": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Physical Description Fixed Field-General Information\nSpecial information about the physical characteristics in a coded form. The information may represent the whole item or parts of an item such as accompanying material."
  },
  "006": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Fixed-Length Data Elements-Additional Material Characteristics\nEighteen character positions (00-17) that provide for coding information about special aspects of the item being cataloged that cannot be coded in field 008 (Fixed-Length Data Elements). It is used in cases when an item has multiple characteristics (e.g., printed material with an accompanying cassette or a map that is issued serially) and to record the coded serial aspects of nontextual continuing resources."
  },
  "024": {
    "ind1": {
      "0": "Type of standard number or code - International Standard Recording Code",
      "1": "Type of standard number or code - Universal Product Code",
      "2": "Type of standard number or code - International Standard Music Number",
      "3": "Type of standard number or code - International Article Number",
      "4": "Type of standard number or code - Serial Item and Contribution Identifier",
      "7": "Type of standard number or code - Source specified in subfield $2",
      "8": "Type of standard number or code - Unspecified type of standard number or code"
    },
    "ind2": {
      "0": "Difference indicator - No difference",
      "1": "Difference indicator - Difference",
      "#": "Difference indicator - No information provided"
    },
    "subfields": {
      "2": {
        "*": "Source of number or code"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Standard number or code"
      },
      "c": {
        "*": "Terms of availability"
      },
      "d": {
        "*": "Additional codes following the standard number or code"
      },
      "q": {
        "*": "Qualifying information"
      },
      "z": {
        "*": "Canceled/invalid standard number or code"
      }
    },
    "value": "Other Standard Identifier\nStandard number or code published on an item which cannot be accommodated in another field (e.g., field 020 (International Standard Book Number), 022 (International Standard Serial Number) , and 027 (Standard Technical Report Number)). The type of standard number or code is identified in the first indicator position or in subfield $2 (Source of number or code)."
  },
  "027": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Standard technical report number"
      },
      "q": {
        "*": "Qualifying information"
      },
      "z": {
        "*": "Canceled/invalid number"
      }
    },
    "value": "Standard Technical Report Number\nInternational Standard Technical Report number (ISRN) or a Standard Technical Report Number (STRN)assigned to a technical report. Assignment of STRNs is coordinated by the National Technical Information Service (NTIS), which also maintains an assignment registry."
  },
  "032": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Postal registration number (NR)"
      },
      "b": {
        "*": "Source agency assigning number (NR)"
      }
    },
    "value": "Postal Registration Number\nNumber assigned to a publication for which the specified postal service permits the use of a special mailing class privilege."
  },
  "050": {
    "ind1": {
      "0": "Existence in LC collection - Item is in LC",
      "1": "Existence in LC collection - Item is not in LC",
      "#": "Existence in LC collection - No information provided"
    },
    "ind2": {
      "0": "Source of call number - Assigned by LC",
      "4": "Source of call number - Assigned by agency other than LC"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "b": {
        "*": "Item number"
      }
    },
    "value": "Library of Congress Call Number\nClassification or call number that is taken from Library of Congress Classification or LC Classification Additions and Changes. The brackets that customarily surround alternate class/call numbers are not carried in the MARC record; they may be generated based on the presence of repeated $a subfields."
  },
  "036": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Original study number (NR)"
      },
      "b": {
        "*": "Source agency assigning number (NR)"
      }
    },
    "value": "Original Study Number for Computer Data Files\nOriginal study number assigned by the producer of the computer file. Introductory phrase Original study: may be generated based on the field tag."
  },
  "037": {
    "ind1": {
      "2": "Source of acquisition sequence - Intervening",
      "3": "Source of acquisition sequence - Current/Latest",
      "#": "Source of acquisition sequence - Not applicable/No information provided/Earliest"
    },
    "ind2": {},
    "subfields": {
      "3": {
        "*": "Materials specified"
      },
      "5": {
        "*": "Institution to which field applies"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Stock number"
      },
      "b": {
        "*": "Source of stock number/acquisition"
      },
      "c": {
        "*": "Terms of availability"
      },
      "f": {
        "*": "Form of issue"
      },
      "g": {
        "*": "Additional format characteristics"
      },
      "n": {
        "*": "Note"
      }
    },
    "value": "Source of Acquisition\nSource of acquisition information for the item or its reproduction."
  },
  "031": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "System code (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Number of work (NR)"
      },
      "b": {
        "*": "Number of movement (NR)"
      },
      "c": {
        "*": "Number of excerpt (NR)"
      },
      "d": {
        "*": "Caption or heading (R)"
      },
      "e": {
        "*": "Role (NR)"
      },
      "g": {
        "*": "Clef (NR)"
      },
      "m": {
        "*": "Voice/instrument (NR)"
      },
      "n": {
        "*": "Key signature (NR)"
      },
      "o": {
        "*": "Time signature (NR)"
      },
      "p": {
        "*": "Musical notation (NR)"
      },
      "q": {
        "*": "General note (R)"
      },
      "r": {
        "*": "Key or mode (NR)"
      },
      "s": {
        "*": "Coded validity note (R)"
      },
      "t": {
        "*": "Text incipit (R)"
      },
      "u": {
        "*": "Uniform Resource Identifier (R)"
      },
      "y": {
        "*": "Link text (R)"
      },
      "z": {
        "*": "Public note (R)"
      }
    },
    "value": "Musical Incipits Information\nCoded data representing the musical incipit for music using established notation schemes that employ ordinary ASCII symbols. Primarily used to identify music manuscripts, but can be applied to any material containing music."
  },
  "026": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "5": {
        "*": "Institution to which field applies (R)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "First and second groups of characters (NR)"
      },
      "b": {
        "*": "Third and fourth groups of characters (NR)"
      },
      "c": {
        "*": "Date (NR)"
      },
      "d": {
        "*": "Number of volume or part (R)"
      },
      "e": {
        "*": "Unparsed fingerprint (NR)"
      }
    },
    "value": "Fingerprint Identifier\nUsed to assist in the identification of antiquarian books by recording information comprising groups of characters taken from specified positions on specified pages of the book, in accordance with the principles laid down in various published guidelines."
  },
  "018": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Copyright article-fee code (NR)"
      }
    },
    "value": "Copyright Article-Fee Code\nUnique identification code for component parts appearing in monographs or continuing resources."
  },
  "061": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Classification number (R)"
      },
      "b": {
        "*": "Item number (NR)"
      },
      "c": {
        "*": "Copy information (NR)"
      }
    },
    "value": "National Library of Medicine Copy Statement\nInformation added to a bibliographic record by the National Library of Medicine that relates to second copies or sets of the described item that are in its collections."
  },
  "017": {
    "ind1": {},
    "ind2": {
      "8": "Display constant controller - No display constant generated",
      "#": "Display constant controller - Copyright or legal deposit number"
    },
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Copyright or legal deposit number (R)"
      },
      "b": {
        "*": "Assigning agency (NR)"
      },
      "d": {
        "*": "Date (NR)"
      },
      "i": {
        "*": "Display text (NR)"
      },
      "z": {
        "*": "Canceled/invalid copyright or legal deposit number (R)"
      }
    },
    "value": "Copyright or Legal Deposit Number\nCopyright registration or legal deposit number for an item that was acquired by copyright or legal deposit."
  },
  "022": {
    "ind1": {
      "0": "Level of international interest - Continuing resource of international interest",
      "1": "Level of international interest - Continuing resource not of international interest",
      "#": "Level of international interest - No level specified"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "International Standard Serial Number (NR)"
      },
      "l": {
        "*": "ISSN-L (NR)"
      },
      "m": {
        "*": "Canceled ISSN-L (R)"
      },
      "y": {
        "*": "Incorrect ISSN (R)"
      },
      "z": {
        "*": "Canceled ISSN (R)"
      }
    },
    "value": "International Standard Serial Number\nInternational Standard Serial Number (ISSN), a unique identification number assigned to a continuing resource, and/or any incorrect or canceled ISSN."
  },
  "055": {
    "ind1": {
      "0": "Existence in LAC collection - Work held by LAC",
      "1": "Existence in LAC collection - Work not held by LAC",
      "#": "Existence in LAC collection - Information not provided"
    },
    "ind2": {
      "0": "Type, completeness, source of class/call number - LC-based call number assigned by LAC",
      "1": "Type, completeness, source of class/call number - Complete LC class number assigned by LAC",
      "2": "Type, completeness, source of class/call number - Incomplete LC class number assigned by LAC",
      "3": "Type, completeness, source of class/call number - LC-based call number assigned by the contributing library",
      "4": "Type, completeness, source of class/call number - Complete LC class number assigned by the contributing library",
      "5": "Type, completeness, source of class/call number - Incomplete LC class number assigned by the contributing library",
      "6": "Type, completeness, source of class/call number - Other call number assigned by LAC",
      "7": "Type, completeness, source of class/call number - Other class number assigned by LAC",
      "8": "Type, completeness, source of class/call number - Other call number assigned by the contributing library",
      "9": "Type, completeness, source of class/call number - Other class number assigned by the contributing library"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of call/class number"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "b": {
        "*": "Item number"
      }
    },
    "value": "Classification Numbers Assigned in Canada\nComplete call number or a classification number assigned by Library and Archives Canada (LAC) or a library contributing to LAC."
  },
  "043": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source of local code"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Geographic area code"
      },
      "b": {
        "*": "Local GAC code"
      },
      "c": {
        "*": "ISO code"
      }
    },
    "value": "Geographic Area Code\nGeographic area codes associated with an item. Code from: MARC Code List for Geographic Areas. The source of a local code in subfield $b is indicated in subfield $2. The source of codes in subfield $c is ISO 3166, Codes for the representation of names of countries and their subdivisions - Part 1 : Country codes or Part 2 : Country subdivision codes."
  },
  "025": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Overseas acquisition number (R)"
      }
    },
    "value": "Overseas Acquisition Number\nNumber assigned by the Library of Congress to works acquired through one of its overseas acquisition programs."
  },
  "035": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "System control number (NR)"
      },
      "z": {
        "*": "Canceled/invalid control number (R)"
      }
    },
    "value": "System Control Number\nControl number of a system other than the one whose control number is contained in field 001 (Control Number), field 010 (Library of Congress Control Number) or field 016 (National Bibliographic Agency Control Number)."
  },
  "041": {
    "ind1": {
      "0": "Translation indication - Item not a translation/does not include a translation",
      "1": "Translation indication - Item is or includes a translation",
      "#": "Translation indication - No information provided"
    },
    "ind2": {
      "7": "Source of code - Source specified in subfield $2",
      "#": "Source of code - MARC language code"
    },
    "subfields": {
      "2": {
        "*": "Source of code"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Language code of text/sound track or separate title"
      },
      "b": {
        "*": "Language code of summary or abstract"
      },
      "d": {
        "*": "Language code of sung or spoken text"
      },
      "e": {
        "*": "Language code of librettos"
      },
      "f": {
        "*": "Language code of table of contents"
      },
      "g": {
        "*": "(R)"
      },
      "h": {
        "*": "Language code of original"
      },
      "i": {
        "*": "Language code of intertitles"
      },
      "j": {
        "*": "Language code of subtitles"
      },
      "k": {
        "*": "Language code of intermediate translations"
      },
      "m": {
        "*": "Language code of original accompanying materials other than librettos"
      },
      "n": {
        "*": "Language code of original libretto"
      },
      "p": {
        "*": "Language code of captions"
      },
      "q": {
        "*": "Language code of accessible audio"
      },
      "r": {
        "*": "Language code of accessible visual language (non-textual)"
      },
      "t": {
        "*": "Language code of accompanying transcripts for audiovisual materials"
      }
    },
    "value": "Language Code\nCodes for languages associated with an item when the language code in field 008/35-37 of the record is insufficient to convey full information. Includes records for multilingual items, items that involve translation, and items where the medium of communication is a sign language. Sources of the codes are: MARC Code List for Languages or other code lists such as ISO 639-1 (Codes for the representation of names of languages - Part 1 : alpha-2 code)."
  },
  "071": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Classification number (R)"
      },
      "b": {
        "*": "Item number (NR)"
      },
      "c": {
        "*": "Copy information (R)"
      }
    },
    "value": "National Agricultural Library Copy Statement\nCall number and other information added to a bibliographic record by the National Agricultural Library (NAL) that relates to second copies or sets of the described item that are in its collections."
  },
  "020": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "International Standard Book Number"
      },
      "c": {
        "*": "Terms of availability"
      },
      "q": {
        "*": "Qualifying information"
      },
      "z": {
        "*": "Canceled/invalid ISBN"
      }
    },
    "value": "International Standard Book Number\nInternational Standard Book Number (ISBN) assigned to a monographic publication by designated agencies in each country participating in the program. The field may include terms of availability and canceled or invalid ISBNs, such as ISBNs with invalid check digits or that are not applicable to the item being cataloged. It may be repeated for multiple numbers associated with the item (e.g., ISBNs for the hard bound and paperback manifestations; ISBNs for a set as a whole and for the individual parts in the set)."
  },
  "045": {
    "ind1": {
      "0": "Type of time period in subfield $b or $c - Single date/time",
      "1": "Type of time period in subfield $b or $c - Multiple single dates/times",
      "2": "Type of time period in subfield $b or $c - Range of dates/times",
      "#": "Type of time period in subfield $b or $c - Subfield $b or $c not present"
    },
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Time period code (R) Table is found in MARC 21 Format for Bibliographic Data under the description of field 045."
      },
      "b": {
        "*": "Formatted 9999 B.C. through C.E. time period (R)"
      },
      "c": {
        "*": "Formatted pre-9999 B.C. time period (R)"
      }
    },
    "value": "Time Period of Content\nTime period code (subfield $a) and/or a formatted time period (subfield $b and/or $c) associated with an item."
  },
  "030": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "CODEN (NR)"
      },
      "z": {
        "*": "Canceled/invalid CODEN (R)"
      }
    },
    "value": "CODEN Designation\nCODEN designation for a bibliographic title. The CODEN is assigned by the International CODEN Section of Chemical Abstracts Service."
  },
  "052": {
    "ind1": {
      "1": "Code source - U.S. Dept. of Defense Classification",
      "7": "Code source - Source specified in subfield $2",
      "#": "Code source - Library of Congress Classification"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Code source"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Geographic classification area code"
      },
      "b": {
        "*": "Geographic classification subarea code"
      },
      "d": {
        "*": "Populated place name"
      }
    },
    "value": "Geographic Classification\nGeographic classification code that represents the geographic area and, if applicable, the geographic subarea and populated place name covered by an item."
  },
  "040": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Original cataloging agency (NR)"
      },
      "b": {
        "*": "Language of cataloging (NR)"
      },
      "c": {
        "*": "Transcribing agency (NR)"
      },
      "d": {
        "*": "Modifying agency (R)"
      },
      "e": {
        "*": "Description conventions (R)"
      }
    },
    "value": "Cataloging Source\nMARC code for or the name of the organization(s) that created the original bibliographic record, assigned MARC content designation and transcribed the record into machine-readable form, or modified (except for the addition of holdings symbols) an existing MARC record. These data and the code in 008/39 (Cataloging source) specify the parties responsible for the bibliographic record. See: MARC Code List for Organizations for a listing of sources used in MARC 21 records."
  },
  "034": {
    "ind1": {
      "0": "Type of scale Specifies the type of scale information given. - Scale indeterminable/No scale recorded",
      "1": "Type of scale Specifies the type of scale information given. - Single scale",
      "3": "Type of scale Specifies the type of scale information given. - Range of scales"
    },
    "ind2": {
      "0": "Type of ring - Outer ring",
      "1": "Type of ring - Exclusion ring",
      "#": "Type of ring - Not applicable"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Source"
      },
      "3": {
        "*": "Materials specified"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Category of scale"
      },
      "b": {
        "*": "Constant ratio linear horizontal scale"
      },
      "c": {
        "*": "Constant ratio linear vertical scale"
      },
      "d": {
        "*": "Coordinates"
      },
      "e": {
        "*": "Coordinates"
      },
      "f": {
        "*": "Coordinates"
      },
      "g": {
        "*": "Coordinates"
      },
      "h": {
        "*": "Angular scale"
      },
      "j": {
        "*": "Declination"
      },
      "k": {
        "*": "Declination"
      },
      "m": {
        "*": "Right ascension"
      },
      "n": {
        "*": "Right ascension"
      },
      "p": {
        "*": "Equinox"
      },
      "r": {
        "*": "Distance from earth"
      },
      "s": {
        "*": "G-ring latitude"
      },
      "t": {
        "*": "G-ring longitude"
      },
      "x": {
        "*": "Beginning date"
      },
      "y": {
        "*": "Ending date"
      },
      "z": {
        "*": "Name of extraterrestrial body"
      }
    },
    "value": "Coded Cartographic Mathematical Data\nCoded form of the mathematical data contained in field 255 (Mathematical Data Area) of the bibliographic record."
  },
  "080": {
    "ind1": {
      "0": "Type of edition - Full",
      "1": "Type of edition - Abridged",
      "#": "Type of edition - No information provided"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Edition identifier"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Universal Decimal Classification number"
      },
      "b": {
        "*": "Item number"
      },
      "x": {
        "*": "Common auxiliary subdivision"
      }
    },
    "value": "Universal Decimal Classification Number\nNumber taken from the Universal Decimal Classification scheme."
  },
  "044": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of local subentity code (R)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "MARC country code (R)"
      },
      "b": {
        "*": "Local subentity code (R)"
      },
      "c": {
        "*": "ISO country code (R)"
      }
    },
    "value": "Country of Publishing/Producing Entity Code\nTwo- or three-character code for the country of the publishing or producing entity when field 008/15-17 (Place of publication, production, or execution) is insufficient to convey full information for an item published or produced in more than one country. Code from: MARC Code List for Countries. May be used to include country and subentity codes from ISO 3166, Codes for the representation of names of countries and their subdivisions - Part 1 : Country codes or Part 2 : Country subdivision codes."
  },
  "082": {
    "ind1": {
      "0": "Type of edition - Full edition",
      "1": "Type of edition - Abridged edition",
      "7": "Type of edition - Other edition specified in subfield $2"
    },
    "ind2": {
      "0": "Source of classification number - Assigned by LC",
      "4": "Source of classification number - Assigned by agency other than LC",
      "#": "Source of classification number - No information provided"
    },
    "subfields": {
      "2": {
        "*": "Edition number (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Classification number (R)"
      },
      "b": {
        "*": "Item number (NR)"
      },
      "m": {
        "*": "Standard or optional designation (NR)"
      },
      "q": {
        "*": "Assigning agency (NR)"
      }
    },
    "value": "Dewey Decimal Classification Number\nClassification number is taken from Dewey Decimal Classification and Relative Index, the Abridged Dewey Decimal Classification and Relative Index, and electronic updates to either edition. Through 1997, updates were issued in DC& Dewey Decimal Classification Additions, Notes and Decisions."
  },
  "066": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "a": {
        "*": "Primary G0 character set (NR)"
      },
      "b": {
        "*": "Primary G1 character set (NR)"
      },
      "c": {
        "*": "Alternate G0 or G1 character set (R)"
      }
    },
    "value": "Character Sets Present\nInformation that indicates that the records were encoded with characters from sets other than ISO 10646 (or Unicode). A detailed description of the standard escape sequences used in MARC records is provided in MARC 21 Specifications for Record Structure, Character Sets, and Exchange Media."
  },
  "028": {
    "ind1": {
      "0": "Type of number - Issue number",
      "1": "Type of number - Matrix number",
      "2": "Type of number - Plate number",
      "3": "Type of number - Other music publisher number",
      "4": "Type of number - Video recording publisher number",
      "5": "Type of number - Other publisher number",
      "6": "Type of number - Distributor number"
    },
    "ind2": {
      "0": "Note/added entry controller - No note, no added entry",
      "1": "Note/added entry controller - Note, added entry",
      "2": "Note/added entry controller - Note, no added entry",
      "3": "Note/added entry controller - No note, added entry"
    },
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Publisher or distributor number"
      },
      "b": {
        "*": "Source"
      },
      "q": {
        "*": "Qualifying information"
      }
    },
    "value": "(R)\nFormatted number used for sound recordings, printed music, other music-related materials, and video recordings. Publisher's and distributor's numbers that are given in an unformatted form are recorded in field 500 (General Note). A print constant identifying the kind of publisher or distributor number may be generated based on the value in the first indicator position. Repeatable for multiple numbers associated with an item."
  },
  "051": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Classification number (NR)"
      },
      "b": {
        "*": "Item number (NR)"
      },
      "c": {
        "*": "Copy information (NR)"
      }
    },
    "value": "Library of Congress Copy, Issue, Offprint Statement\nInformation added to a bibliographic record by the Library of Congress that relates to copies, issues, and/or offprints, etc. of the described material that are in its collections."
  },
  "088": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Report number"
      },
      "z": {
        "*": "Canceled/invalid report number"
      }
    },
    "value": "Report Number\nReport number that is not a Standard Technical Report Number (STRN), recorded in field 027."
  },
  "016": {
    "ind1": {
      "7": "National bibliographic agency - Source specified in subfield $2",
      "#": "National bibliographic agency - Library and Archives Canada"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Record control number (NR)"
      },
      "z": {
        "*": "Canceled/invalid control number (R)"
      }
    },
    "value": "National Bibliographic Agency Control Number\nUnique numbers that have been assigned to a record by a national bibliographic agency other than the Library of Congress. The control number may also appear in field 001 (Control Number) in records distributed by the same national agency. This number is a record control number used in a national bibliographic agency system, rather than a number used for an entry in a national bibliography, field 015 (National Bibliography Number)."
  },
  "060": {
    "ind1": {
      "0": "Existence in NLM collection - Item is in NLM",
      "1": "Existence in NLM collection - Item is not in NLM",
      "#": "Existence in NLM collection - No information provided"
    },
    "ind2": {
      "0": "Source of call number - Assigned by NLM",
      "4": "Source of call number - Assigned by agency other than NLM"
    },
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "b": {
        "*": "Item number"
      }
    },
    "value": "National Library of Medicine Call Number\nClassification or call number is taken from National Library of Medicine Classification schedules QS-QZ and W or from Library of Congress Classification schedules as used by NLM for peripheral and related topics."
  },
  "070": {
    "ind1": {
      "0": "Existence in NAL collection - Item is in NAL",
      "1": "Existence in NAL collection - Item is not in NAL",
      "#": "Existence in NAL collection - No information provided"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "b": {
        "*": "Item number"
      }
    },
    "value": "National Agricultural Library Call Number\nClassification or call number that is assigned by the National Agricultural Library (NAL)."
  },
  "048": {
    "ind1": {},
    "ind2": {
      "7": "Source of code - Source specified in subfield ‡2",
      "#": "Source of code - MARC code"
    },
    "subfields": {
      "2": {
        "*": "Source of code (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R) MARC 21 Instruments or Voices Codes ba Brass"
      },
      "a": {
        "*": "Performer or ensemble (R)"
      },
      "b": {
        "*": "Soloist (R)"
      }
    },
    "value": "Number of Musical Instruments or Voices Code\nTwo-character code that indicates the medium of performance for a musical composition. Also contains the number of parts, indicated by a two-digit number immediately following the code for the musical instruments or voices (e.g., va02, a two-part composition for Voices - Soprano). The number of parts may be omitted if not specified."
  },
  "042": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "a": {
        "*": "Authentication code (R)"
      }
    },
    "value": "Authentication Code\nOne or more authentication codes indicating that the record, existing in a national database, has been reviewed in a specific way. Used for codes associated with specifically designated authentication agencies. Code from: MARC Authentication Action Code List."
  },
  "085": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Number where instructions are found-single number or beginning number of span"
      },
      "b": {
        "*": "Base number"
      },
      "c": {
        "*": "Classification number-ending number of span"
      },
      "f": {
        "*": "Facet designator"
      },
      "r": {
        "*": "Root number"
      },
      "s": {
        "*": "Digits added from classification number in schedule or external table"
      },
      "t": {
        "*": "Digits added from internal subarrangement or add table"
      },
      "u": {
        "*": "Number being analyzed"
      },
      "v": {
        "*": "Number in internal subarrangement or add table where instructions are found"
      },
      "w": {
        "*": "Table identification-Internal subarrangement or add table"
      },
      "y": {
        "*": "Table sequence number for internal subarrangement or add table"
      },
      "z": {
        "*": "Table identification"
      }
    },
    "value": "Synthesized Classification Number Components\nInformation about how a synthesized classification number or a portion of a synthesized classification number was built. It traces the different components of a synthesized number, showing the different portions of the number and where the add instructions are given. If a number was built using two or more instructions, a separate field 085 is given for each instruction."
  },
  "047": {
    "ind1": {},
    "ind2": {
      "7": "Source of code - Source specified in subfield $2",
      "#": "Source of code - MARC musical composition code"
    },
    "subfields": {
      "2": {
        "*": "Source of code (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Form of musical composition code (R)"
      }
    },
    "value": "Form of Musical Composition Code\nCodes that indicate the form of musical composition of printed and manuscript music and musical sound recordings when character positions 18 and 19 (Form of composition) of field 008 (Fixed-Length Data Elements) for music contains the code mu for multiple forms or for non-MARC codes. MARC codes are listed under field 008 Music, /18-19 (Form of composition)."
  },
  "074": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "GPO item number (NR)"
      },
      "z": {
        "*": "Canceled/invalid GPO item number (R)"
      }
    },
    "value": "GPO Item Number\nItem number assigned to publications by the U.S. Government Printing Office (GPO) to manage their distribution to libraries within its Depository Library System. Numbers are assigned from the List of Classes of United States Government Publications Available for Selection by Depository Libraries."
  },
  "086": {
    "ind1": {
      "0": "Number source - Superintendent of Documents Classification System",
      "1": "Number source - Government of Canada Publications: Outline of Classification",
      "#": "Number source - Source specified in subfield $2"
    },
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Number source"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "z": {
        "*": "Canceled/invalid classification number"
      }
    },
    "value": "Government Document Classification Number\nClassification number assigned to documents by designated agencies in countries that have a government documents classification program."
  },
  "003": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Control Number Identifier\nMARC code for the organization whose control number is contained in field 001 (Control Number)."
  },
  "001": {
    "ind1": {},
    "ind2": {},
    "subfields": {},
    "value": "Control Number\nControl number assigned by the organization creating, using, or distributing the record. The MARC code for the organization is contained in field 003 (Control Number Identifier)."
  },
  "083": {
    "ind1": {
      "0": "Type of edition - Full edition",
      "1": "Type of edition - Abridged edition",
      "7": "Type of edition - Other edition specified in subfield $2"
    },
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Edition number (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Classification number (R)"
      },
      "c": {
        "*": "Classification number--Ending number of span (R)"
      },
      "m": {
        "*": "Standard or optional designation (NR)"
      },
      "q": {
        "*": "Assigning agency (NR)"
      },
      "y": {
        "*": "Table sequence number for internal subarrangement or add table (R)"
      },
      "z": {
        "*": "Table identification (R)"
      }
    },
    "value": "Additional Dewey Decimal Classification Number\nClassification number used for subject access. It is taken from Dewey Decimal Classification and Relative Index, the Abridged Dewey Decimal Classification and Relative Index, and electronic updates to either edition. Through 1997, updates were issued in DC& Dewey Decimal Classification Additions, Notes and Decisions."
  },
  "046": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "2": {
        "*": "Source of date"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Type of date code"
      },
      "b": {
        "*": "Date 1, B.C.E. date"
      },
      "c": {
        "*": "Date 1, C.E. date"
      },
      "d": {
        "*": "Date 2, B.C.E. date"
      },
      "e": {
        "*": "Date 2, C.E. date"
      },
      "j": {
        "*": "Date resource modified"
      },
      "k": {
        "*": "Beginning or single date created"
      },
      "l": {
        "*": "Ending date created"
      },
      "m": {
        "*": "Beginning of date valid"
      },
      "n": {
        "*": "End of date valid"
      },
      "o": {
        "*": "Single or starting date for aggregated content"
      },
      "p": {
        "*": "Ending date for aggregated content"
      }
    },
    "value": "Special Coded Dates\nDate of item information that either cannot be recorded in 008/06-14 (Type of date/Publication status, Date 1, Date 2) because such information involves one or more Before Common Era (B.C.E.) dates, incorrect dates, dates when resources have been modified or created, and date spans when resources are valid, or is recorded here in addition to appearing in 008/06-14. When field 046 is used for B.C.E. dates, 008/06 is set to code b (No date given; B.C.E. date involved) and field 008/07-10 and 008/11-14 contain blanks (####). When field 046 is used for incorrect dates, field 008/06 is coded for the type of corrected data and field 008/07-10 and 008/11-14 contain correct dates."
  },
  "084": {
    "ind1": {},
    "ind2": {},
    "subfields": {
      "0": {
        "*": "Authority record control number or standard number"
      },
      "1": {
        "*": "Real World Object URI"
      },
      "2": {
        "*": "Number source"
      },
      "6": {
        "*": "Linkage"
      },
      "8": {
        "*": "Field link and sequence number"
      },
      "a": {
        "*": "Classification number"
      },
      "b": {
        "*": "Item number"
      },
      "q": {
        "*": "Assigning agency"
      }
    },
    "value": "Other Classification Number\nClassification number from a scheme not covered by one of the other number fields. The field should not be used for classification numbers assigned from a source for which a subfield $2 source of number code would not be assigned."
  },
  "072": {
    "ind1": {},
    "ind2": {
      "0": "Code source - NAL subject category code list",
      "7": "Code source - Source specified in subfield $2"
    },
    "subfields": {
      "2": {
        "*": "Source (NR)"
      },
      "6": {
        "*": "Linkage (NR)"
      },
      "8": {
        "*": "Field link and sequence number (R)"
      },
      "a": {
        "*": "Subject category code (NR)"
      },
      "x": {
        "*": "Subject category code subdivision (R)"
      }
    },
    "value": "Subject Category Code\nCode for the subject category that is associated with the described item."
  }
}