Shankel, G. E. (1967). God and man in history. Southern.
Lua i Stíl Chicago (17ú heag.)Shankel, George Edgar. God and Man in History. Southern, 1967.
Lua MLA (9ú heag.)Shankel, George Edgar. God and Man in History. Southern, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.