Subject cataloguing manual.
Library of Congress.Cataloging Policy and Support Office.
Library of Congress.Office for Subject Cataloging Policy.
Washington, D.C. : Library of Congress,
1996.
V.1. H 40-H 1055 -- v.2. H 1075-H 1200 --v.3. H 1205-H 1895 -- v.4. H 1910-H 2400.
Subject cataloguing
Subject headings, Library of Congress