Library of Congress. Office for Subject Cataloging Policy. (1991). Revised Library of Congress subject headings: Cross-references from former to current subject headings. Cataloging Distribution Service, Library of Congress.
Lua i Stíl Chicago (17ú heag.)Library of Congress. Office for Subject Cataloging Policy. Revised Library of Congress Subject Headings: Cross-references from Former to Current Subject Headings. Washington, D.C: Cataloging Distribution Service, Library of Congress, 1991.
Lua MLA (9ú heag.)Library of Congress. Office for Subject Cataloging Policy. Revised Library of Congress Subject Headings: Cross-references from Former to Current Subject Headings. Cataloging Distribution Service, Library of Congress, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.