Library of Congress. Catalog Division. (1910). Subject headings used in the dictionary catalogs of the Library of Congress. U.S. Govt. Print. Off., Library branch.
Chicago-referens (17:e uppl.)Library of Congress. Catalog Division. Subject Headings Used in the Dictionary Catalogs of the Library of Congress. Washington, D.C.: U.S. Govt. Print. Off., Library branch, 1910.
MLA-referens (8:e uppl.)Library of Congress. Catalog Division. Subject Headings Used in the Dictionary Catalogs of the Library of Congress. U.S. Govt. Print. Off., Library branch, 1910.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.