USMARC format for authority data
Subtitle: including guidelines for content designation
By: prepared by Network Development and MARC Standards Office.
Contributors: Library of Congress. Network Development and MARC Standards Office.; Library of Congress. Cataloging Distribution Service.
Publisher: Cataloging Distribution Service, Library of Congress; For sale by the Cataloging Distribution Service
Published: 1989
Place of publication: Washington
Language: eng
Subjects: MARC formats -- United States -- Format.; Authority files (Information retrieval) -- Data processing -- Standards -- United States.
Other titles: Authorities, a MARC format.
Notes: Previously published under title: Authorities, a MARC format.

"This document ... defines the codes and conventions (tags, indicators, subfield codes, and coded values) that identify the data elements in USMARC authority records"--Introd.

Contains the base text (1987), Update no. 1, February 1989, and Update no. 2, August 1988 integrated into one document.

Shipping list no.: 89-837-P.

Includes bibliographical references (introd., p. 1-2).