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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 source 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/).

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Network Development and MARC Standards Office
101 Independence Ave., S.E.
Washington, DC 20540-4402 U.S.A.
TEL: +1-202-707-6237
FAX: +1-202-707-0115
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