Não informado. (1928). PRIMITIVE MAN. Catholic University of America.
Lua i Stíl Chicago (17ú heag.)Não informado. PRIMITIVE MAN. Washington: Catholic University of America, 1928.
Lua MLA (8ú heag.)Não informado. PRIMITIVE MAN. Catholic University of America, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.