Brock, R. (1949). The permabook of art masterpieces ([1st ed.].). Permabooks.
Lua i Stíl Chicago (17ú heag.)Brock, Ray. The Permabook of Art Masterpieces. [1st ed.]. New York: Permabooks, 1949.
Lua MLA (8ú heag.)Brock, Ray. The Permabook of Art Masterpieces. [1st ed.]. Permabooks, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.