Cataloger's Reference Shelf
MARC 21 Format for Authority Data
Cataloger's Reference Shelf
MARC 21 Format for Authority Data
Superseded Documentation (Introduction)
This document supersedes the most recent editions of the USMARC Format for Authority Data and the Canadian MARC Communication Format: Authorities. With alignment of these formats in 1997, a single edition of the format could be issued.
MARC Documentation:
MARC 21 supersedes the 1993 edition of USMARC Format for Authority Data: Including Guidelines for Content Designation and updates No. 1 (July 1995) and No. 2 (March 1997) to that edition. With Update No. 2, the USMARC and CAN/MARC formats were identical format specifications. The 1993 edition superseded the 1987 edition of the format and its four updates published between 1988 and 1991. The 1987 edition incorporated the base text of the 1976 edition and subsequent updates published under the title Authorities: A MARC Format.
CAN/MARC Documentation:
MARC 21 supersedes the 1988 edition of Canadian MARC Communication Format: Authorities.
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