Não informado. (1936). Frontiers: A magazine of natural history. Academy of Natural Sciences of Philadelphia.
Lua i Stíl Chicago (17ú heag.)Não informado. Frontiers: A Magazine of Natural History. Philadelphia, Pa: Academy of Natural Sciences of Philadelphia, 1936.
Lua MLA (8ú heag.)Não informado. Frontiers: A Magazine of Natural History. Academy of Natural Sciences of Philadelphia, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.