TECHNICAL NOTICE (June 17, 2005)

Addition 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 new codes will be added to the online MARC Code Lists for Relators, Sources, Description Conventions. These codes should not be used in exchange records until after August 17, 2005. This 60-day waiting period is required to provide MARC 21 implementers with time to include the newly defined codes in any validation tables they may apply to the MARC fields where the codes are used.

• MARC Term, Name, Title Sources & Other Sources
  Additions:
• dcs - Descritores em Ciências da Saúde = Descriptores en Ciencias de la Salud = Health Sciences Descriptors (São Paulo: BIREME). For use in subfield $2 in Bibliographic and Community Information records in 6XX fields and field 040, subfield $f (Cataloging Source / Subject heading/thesaurus conventions) in Authority records. [use after August 17, 2005]
• fire - FireTalk, IFSI thesaurus (Chicago, IL: Illinois Fire Service Institute). For use in subfield $2 in Bibliographic and Community Information records in 6XX fields and field 040, subfield $f (Cataloging Source / Subject heading/thesaurus conventions) in Authority records. [use after August 17, 2005]
• thub - Thesaurus de la Universitat de Barcelona (Barcelona: Universitat de Barcelona, Centre de Recursos per a l'Aprenentatge i la Investigació, Procés Tècnic). For use in subfield $2 in Bibliographic and Community Information records in 6XX fields and field 040, subfield $f (Cataloging Source / Subject heading/thesaurus conventions) in Authority records [use after August 17, 2005]
• ulan - Union list of artist names (Los Angeles: Getty Research Institute). For use in subfield $2 in Bibliographic and Community Information records in 6XX fields and field 040, subfield $f (Cataloging Source / Subject heading/thesaurus conventions) in Authority records. [use after August 17, 2005]

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" electronic list (marc@loc.gov).

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