Library of Congress subject headings

Library of Congress subject headings

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Manylion Llyfryddiaeth
Awdur Corfforaethol: Library of Congress. Policy and Standards Division
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. Library of Congress, Cataloging Distribution Service c2009.
Rhifyn:31st ed.
Pynciau:
Subject headings.
Subject headings, Library of Congress.