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TECHNICAL NOTICE (March 28, 2008)

Additions to the MARC Code Lists for Relators, Sources, Description Conventions

Network Development and MARC Standards Office
Library of Congress


The codes listed below have been recently approved for use in MARC 21 records. The codes will be added to the online MARC Code Lists for Relators, Sources, Description Conventions.

The codes should not be used in exchange records until after May 28, 2008. This 60-day waiting period is required to provide MARC 21 implementers time to include newly defined codes in any validation tables they may apply to the MARC fields where the codes are used.

Category Code Sources

The following code is for use in subfield $2 in field 072 (Subject Category Code/Code Source) in Authority and Bibliographic records.

Classification

The following codes are for use in subfield $2 in field 084 in Bibliographic and Community Information records (Other Classification Number), in subfield $2 in field 084 in Classification records (Classification Scheme and Edition) and in subfield $2 in field 065 in Authority records (Other Classification Number).

Description Conventions

The following codes are for use in subfield $e in field 040 in Bibliographic and Authority records (Description Conventions).

Other codes

The following code is for use in subfield $2 in field 210 in Bibliographic records (Abbreviated Title).

The following code is for use in subfield $2 in field 044 (Country of Publishing/Producing Entity Code) in bibliographic records.

Term, Name, Title Sources

The following code is for use in subfield $2 in fields 600-657 in Bibliographic and Community Information records, and in subfield $f in fields 040 (Cataloging Source) and subfield $2 in fields 700-788 (Heading Linking Entries / Source of heading or term) in Authority records.

The codes listed below were previously defined for use in subfield $2 in fields 600-651 in Bibliographic and Community Information records, and in subfield $f (Subject heading or thesaurus conventions) in field 040 in MARC 21 Authority records.

Usage has been expanded to subfield $2 in fields 654-657 and 662 in Bibliographic records (Subject Added Entries/Index Terms); subfield $2 in fields 654-657 in Community Information records (Subject Added Entries/Index Terms); and subfield $2 in fields 700-788 (Heading Linking Entries / Source of heading or term) in Authority records.

The Library of Congress, Network Development and MARC Standards Office provides information about existing and newly assigned MARC codes on its Web site (www.loc.gov/marc/) as well as notices such as these to subscribers to its MARC listserv ([email protected]).


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