Subject headings used in the Dictionary catalogs of the Library of Congress, January 1959- December 1960, Supplement to the 6th edition / Library of Congress. Library of Congress. Catalog Division. Library of Congress. Subject Cataloging Division. Subject headings, Library of Congress. Z695.Z8 L524a 025.33 20 LIS Some issues have title: Subject headings used in the dictionary catalogs of the Library of Congress. First, 2nd, and 4th eds. issued in 2 v. Kept up to date by supplements. Issued by: Library of Congress, Catalog Division, 1st ed.-3rd ed.; by: Library of Congress, Subject Cataloging Division, 4th ed.-7th ed. SERBIB/SERLOC merged record Washington : G.P.O., Library Branch, 1961. 1961. 1961 Text Collection 7 v. ; eng Library of Congress subject headings