Library of Congress subject headings - Library of Congress; Library of Congress. Subject Cataloging Division; Library of Congress. Office for Subject Cataloging Policy; Library of Congress. Cataloging Policy and Support Office (Washington : Library of Congress, 2010)
Issued in 2 v., 8th ed.-10th ed.; in 3 v., 11th ed.-15th ed.; in 4 v ., 16th ed.-20th ed.; in 5 v., 21st ed.- .
Keywords: Subject headings, Library of Congress