U.S. Library of Congress. Reference Deptartment & Vanderbilt, P. (1955). Guide to the special collections of prints and photographs in the Library of Congress. [s.n.].
Lua i Stíl Chicago (17ú heag.)U.S. Library of Congress. Reference Deptartment agus Paul Vanderbilt. Guide to the Special Collections of Prints and Photographs in the Library of Congress. Washington: [s.n.], 1955.
Lua MLA (9ú heag.)U.S. Library of Congress. Reference Deptartment agus Paul Vanderbilt. Guide to the Special Collections of Prints and Photographs in the Library of Congress. [s.n.], 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.