Parker, E. B. (1980). Subject headings used in the Library of Congress Prints and Photographs Division (Prelim. ed.). [Washington, D.C.?]: Prints and Photographs Division, Library of Congress.
Chicago Style CitationParker, Elisabeth Betz. Subject Headings Used in the Library of Congress Prints and Photographs Division. Prelim. ed. [Washington, D.C.?]: Prints and Photographs Division, Library of Congress, 1980.
MLA CitationParker, Elisabeth Betz. Subject Headings Used in the Library of Congress Prints and Photographs Division. Prelim. ed. [Washington, D.C.?]: Prints and Photographs Division, Library of Congress, 1980.