Library of Congress subject headings /
Library of Congress subject headings /
Subject Cataloguing Division, Processing Services, Library of Congress.
- 9th ed.
- Washington, D.C. : Library of Congress, 1980.
- 2 v. ; 32 cm.
Incorporates material through 1978. Kept up to date by cumulative supplements issued quarterly.
Subject headings.
Incorporates material through 1978. Kept up to date by cumulative supplements issued quarterly.
Subject headings.