Overview
MARC 21 Format for Authority Data
MARC 21 Format for Authority Data is one of the most important MARC 21 formats for it supplements/provides MARC 21 Format for Bibliographic Data records with authorized and controlled forms of series and uniform titles, names of persons and organizations, and subject terms and headings to act as standardized access points, guaranteeing consistency; hence accessibility and knowledge sharing.
In addition, MARC 21 Format for Authority Data is considered to be an invaluable asset for cooperative authority file programs, such as Name Authority Cooperative Program (NACO) of the Program for Cooperative Cataloging (PCC), and ultimately their participants.