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OCLC authority file

The OCLC authority file contains records received from the Library of Congress (LC) and records added by Name Authority Cooperative Program (NACO) participants. Connexion and Record Manager allow you to display, create, and maintain headings in authority records as part of the cataloging, reference, or acquisitions process.

Types of headings

The OCLC authority file contains authority records for the following types of headings:

  • Personal names
  • Corporate names
  • Conference names
  • Geographic names
  • Uniform titles
  • Series titles
  • Genre headings
  • Subject headings (topical terms as well as names and titles with subject subdivisions)
  • Children's subject headings
  • Subdivision headings

Library of Congress, PCC, NACO, and SACO

The Library of Congress (LC) and Program for Cooperative Cataloging (PCC) libraries, which participate in the Name Authority Cooperative Program (NACO) or the Subject Authority Cooperative Program (SACO) create and contribute authority records according to the rules and specifications in the following documentation:

LC record loads

OCLC adds records created by LC staff, SACO participants, and non-OCLC NACO participants through electronic transfer. OCLC adds name authority records daily and subject authority records weekly.


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