Subject headings

Subject headings

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Manylion Llyfryddiaeth
Awdur Corfforaethol: United States Library of Congress
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. Library of Congress, Cataloging Distribution Service 1995.
Rhifyn:18th ed.
Pynciau:
Subject headings, Library of Congress.