Não informado. (1935). Drama of the skies. American Museum of Natural History, Hayden Planetarium.
Lua i Stíl Chicago (17ú heag.)Não informado. Drama of the Skies. New York: American Museum of Natural History, Hayden Planetarium, 1935.
Lua MLA (8ú heag.)Não informado. Drama of the Skies. American Museum of Natural History, Hayden Planetarium, 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.