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1xx

The 1XX fields in MARC21 records primarily contain information about the main entry, which typically represents the primary creator or contributor of the bibliographic resource. Here's a breakdown of the 1XX fields with subfields commonly used along with an example:

  1. 100 - Main Entry-Personal Name:
    • Indicators: Indicator 1 specifies whether the personal name is established in the Library of Congress Name Authority File (value "0") or not established (value "1").
    • Subfield $a: Personal name (Example: Rowling, J.K.)
    • Subfield $b: Numeration (Example: III)
    • Subfield $c: Titles and other words associated with a name (Example: Sir)
  2. 110 - Main Entry-Corporate Name:
    • Indicators: Indicator 1 specifies whether the corporate name is established in the Library of Congress Name Authority File (value "0") or not established (value "1").
    • Subfield $a: Corporate name (Example: Library of Congress)
    • Subfield $b: Subordinate unit (Example: Cataloging Policy and Support Office)
  3. 111 - Main Entry-Meeting Name:
    • Indicators: Indicator 1 specifies whether the meeting name is established in the Library of Congress Name Authority File (value "0") or not established (value "1").
    • Subfield $a: Meeting name (Example: International Conference on Machine Learning)
    • Subfield $n: Numbering (Example: 28th)
    • Subfield $d: Date of meeting (Example: 2021)
    • Subfield $c: Location of meeting (Example: New York, N.Y.)
  4. 130 - Main Entry-Uniform Title:
    • Indicators: Indicator 1 specifies whether the uniform title is established in the Library of Congress Name Authority File (value "0") or not established (value "1").
    • Subfield $a: Uniform title (Example: Bible. New Testament. Greek)
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