MARC 21 Format for Authority Data

Summary of Data Coding Interdependencies

Network Development and MARC Standards Office
Library of Congress


The following analyses summarize data coding interdependencies that must be considered in each kind of record identified in 008/09 and in established heading records for specific types of headings. All of the data elements that may (or may not be) used in an authority record are not listed here. Only those elements that are dependent upon other codes or data elements are cited. Annotated full record examples are provided in Appendix B of the MARC 21 Format for Authority Data.

Established heading record (general requirements)

Established name, name/title, and uniform title headings (other than headings for series)

See also general requirements for established heading record

Established heading for a series

See also general requirements for established heading record

Established topical term and nonjurisdictional geographic headings

See also general requirements for established heading record

Record containing alternate graphic representation fields

Reference record

Subdivision record

Node label record



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