Não informado. (1951). Bulletin of the British Museum Natural History. British Museum of Natural History.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the British Museum Natural History. London: British Museum of Natural History, 1951.
Lua MLA (8ú heag.)Não informado. Bulletin of the British Museum Natural History. British Museum of Natural History, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.