MARC 21 format for authority data : including guidelines for content designation / prepared by Network Development and MARC Standards Office, Library of Congress in cooperation with Standards and Support, Library and Archives Canada, Bibliographic Standards and Systems, British Library.
Merger of: USMARC format for authority data. 1993 ed., and: Canadian MARC communication format. Authorities. 3rd ed. Second publisher varies: National Library of Canada, 1999-2003. Includes bibliographical references. LC copy not updated; updates retained. DLC Description based on: update no. 5 (Oct. 2004).
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