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== Introduction ==

== Introduction ==

The Library of Congress (LC) Guidelines for MARC 21 authority records are intended to be used in conjunction with the ''MARC 21 Format for Authority Data''. They were prepared by the Cataloging Policy and Support Office and the Cooperative Cataloging Team in the Regional and Cooperative Cataloging Division and are based on previous editions compiled by the Network Development and MARC Standards Office.

The Library of Congress (LC) Guidelines for MARC 21 authority records are intended to be used in conjunction with the ''MARC 21 Format for Authority Data''. They were prepared by the Cataloging Policy and Support Office and the Cooperative Cataloging Team in the Regional and Cooperative Cataloging Division and are based on previous editions compiled by the Network Development and MARC Standards Office.