Não informado. (1926). Bulletin of the Peabody Museum of Natural History. Yale University, Peabody Museum of Natural History.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the Peabody Museum of Natural History. New Haven, Conn: Yale University, Peabody Museum of Natural History, 1926.
MLA-referens (8:e uppl.)Não informado. Bulletin of the Peabody Museum of Natural History. Yale University, Peabody Museum of Natural History, 1926.
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