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By: Dickerson, Mary Cynthia,Edition:Publication info: New York, Doubleday, Page & Co, 1908, ©1906Volume:Series:Holding Institution: Internet ArchiveSubjects: Frogs Kikkers North America Padden ToadsBHL Collections:
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By: Schmidt, Karl Patterson, - Field Museum of Natural History.Edition:Publication info: Chicago, Field Museum of Natural History, 1929Volume: no.11 (1929)Series:Holding Institution: Field Museum of Natural History LibrarySubjects: Chicago Frogs Illinois Kikkers Padden ToadsBHL Collections: