Não informado. (1925). Fossil insects. British Museum of Natural History.
Lua i Stíl Chicago (17ú heag.)Não informado. Fossil Insects. London: British Museum of Natural History, 1925.
Lua MLA (8ú heag.)Não informado. Fossil Insects. British Museum of Natural History, 1925.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.