Wednesday, April 28, 2004

MARC Code Lists for Relators, Sources, Description Conventions

Additions to the MARC Code Lists for Relators, Sources, Description Conventions
Network Development and MARC Standards Office Library of Congress

The subject source code listed below has been recently approved for use in MARC 21 records. This new code will be added to the online MARC Codes Lists for Relators, Sources, Description Conventions. The code should not be used in exchange records until after June 27, 2004. This 60 day waiting period is required to provide MARC 21 implementers with time to include newly defined codes in any validation tables they may apply to the MARC fields where these codes are used.

MARC Term, Name, Title sources

Addition:

  • itrt- International Thesaurus of Refugee Terminology (subfield $2 in Bibliographic and Community Information fields 600-651, 655, 656) [use only after June 27, 2004]
  • asth - Astronomy thesaurus (subfield $2 in Bibliographic and Community Information fields 600-651, 655-658) [use only after June 28, 2004]

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