Library of Congress subject headings /
Library of Congress subject headings /
prepared by the Policy and Standards Division, Library Services.
- 32nd ed.
- Washington : Library of Congress, Cataloguing Distribution Service 2010.
- 6 v.
5 volumes accompanied by supplementary vocabularies volume.
Subject headings, Library of Congress.
5 volumes accompanied by supplementary vocabularies volume.
Subject headings, Library of Congress.