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TECHNICAL NOTICE (July 25, 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 September 25, 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.

Description Conventions

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

• Addition:
  • dcrms - Descriptive Cataloging of Rare Materials (Serials) (Washington, DC: Library of Congress) [use only after September 25, 2008]

Term, Name, Title Sources

The following codes are for use in subfield $2 in fields 600-657 and 662 in Bibliographic and Community Information records (Subject Added Entries/Index Terms); subfield $f in field 040 (Cataloging Source) in Authority records; and subfield $2 in fields 700-788 (Heading Linking Entries) in Authority records.

• Additions:
  • chirosh - Chiropractic Subject Headings [use only after September 25, 2008]
  • eet - European education thesaurus [use only after September 25, 2008]
  • pkk - Predmetnik za katoliške knjižnice (Ljubljana: Maribor) [use only after September 25, 2008]
  • ssg - Splošni slovenski geslovnik [use only after September 25, 2008]

The code listed below was previously defined for use in subfield $2 in Bibliographic and Community Information records in fields 600-651 and field 040, subfield $f in Authority records. Usage has been expanded and this code is now available for use in subfield $2 in fields 600-657 and 662 in Bibliographic and Community Information records (Subject Added Entries/Index Terms); subfield $f in field 040 (Cataloging Source) in Authority records; and subfield $2 in fields 700-788 (Heading Linking Entries) in Authority records.

• Change:
  • gtt - GOO-trefwoorden thesaurus (Den Haag: Koninklijke Bibliotheek) [use in new fields after September 25, 2008]

Other codes

The following code is for use in subfield $2 in field 047 (Form of Musical Composition Code) in the Bibliographic format.

• Addition:
  • iamlmf - International Association of Music Libraries Musical forms codes [use only after September 25, 2008]

The following code is for use in subfield $2 in field 048 (Number of Musical Instruments or Voices Codes) in the Bibliographic format.

• Addition:
  • iamlmp - International Association of Music Libraries Medium of performance codes [use only after September 25, 2008]

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 (marc@loc.gov).

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