Library of Congress subject headings - Library of Congress. Policy and Standards Division (Washington, D.C. Library of Congress, Cataloging Distribution Service, 2009)
v. 1 A-C -- v.2 D-H -- v. 3 I-M -- v. 4 N-R -- v. 5 S-Z.
With Supplementary vocabularies
Keywords: Subject headings; Subject headings, Library of Congress