The Library of Congress >> Especially for Librarians and Archivists >> Standards

HOME >> MARC: News and Announcements

TECHNICAL NOTICE (October 15, 2010)

Addition to Source Codes for Vocabularies, Rules, and Schemes

Network Development and MARC Standards Office
Library of Congress

The source codes listed below have been recently approved. The codes will be added to the applicable Source Codes for Vocabularies, Rules, and Schemes lists. See the specific source code list for current usage in MARC fields and MODS/MADS elements.

The codes should not be used in exchange records until 60 days after the date of this notice to provide implementers time to include newly-defined codes in any validation tables.

Classification Scheme Source Codes

The following source code has been added to the Classification Scheme Source Codes list for usage in appropriate fields and elements.

• Addition:
  • jelc - Journal of economic literature (JEL) classification

Standard Identifier Source Codes

The following source code has been added to the Standard Identifier Source Codes list for usage in appropriate fields and elements.

• Addition:
  • isni - International standard name identifier (ISNI) (Geneva: International Organization for Standardization)

Subject Heading and Term Source Codes

The following source code has been added to the Subject Heading and Term Source Codes list for usage in appropriate fields and elements.

• Addition:
  • gnd - Gemeinsame Normdatei (Leipzig: Deutsche Nationalbibliotheke)

The Library of Congress, Network Development and MARC Standards Office provides information about existing and newly assigned source codes on its Web site (www.loc.gov/marc/).

HOME >> MARC: News and Announcements