Books by Oliver Perry Hay
A Contribution To The Knowledge Of The Extinct Sirenian Desmostylus Hesperus Marsh (1915)
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Contributions To The Knowledge Of The Mammals Of The Pleistocene Of North America (1915)
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The batrachians and reptiles of the state of Indiana
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The Batrachians and Reptiles of the State of Indiana
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The Extinct Bisons Of North America: With Description Of One New Species Bison Regius (1913)
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The Pleistocene Of North America And Its Vertebrated Animals Form The States East Of The Mississippi River And Form The Canadian Provinces East Of Longitude 95
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Anthropological Scraps. No. 1-5; Sept. 10, 1919-Dec. 5, 1921
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A Contribution To The Knowledge Of The Extinct Sirenian Desmostylus Hesperus Marsh
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Bibliography and Catalogue of the Fossil Vertebrata of North America
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On Some Collections of Fishes Made in the Kankakee and Illinois Rivers: Fieldiana Zoology v.1, no. 3
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On the Structure and Development of the Vertebral Column of Amia: Fieldiana Zoology v.1, no. 1
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The Batrachians and Reptiles of the State of Indiana
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On the Manner of Locomotion of the Dinosaurs, Especially Diplodocus, With Remarks on the Origin of the Birds
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Bibliography and Catalogue of the Fossil Vertebrata of North America
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Descriptions Of Species Of Pleistocene Vertebrata, Types Or Specimens Of Most Of Which Are Preserved In The United States National Museum
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The Pleistocene of the Middle Region of North America and Its Vertebrated Animals
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The Batrachians and Reptiles of Indiana
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The Batrachians and Reptiles of Indiana
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The Fossil Turtles of North America
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The Fossil Turtles of North America
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The Pleistocene of North America and its Vertebrated Animals Form the States East of the Mississippi River and Form the Canadian Provinces East of Lon
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The Pleistocene of North America and its Vertebrated Animals Form the States East of the Mississippi River and Form the Canadian Provinces East of Lon
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Notes On Some Fossil Horses, With Descriptions Of Four New Species
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Notes On Some Fossil Horses, With Descriptions Of Four New Species
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Descriptions Of Species Of Pleistocene Vertebrata, Types Or Specimens Of Most Of Which Are Preserved In The United States National Museum (1921)
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Camels Of The Fossil Genus Camelops (1913)
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Descriptions Of Species Of Pleistocene Vertebrata, Types Or Specimens Of Most Of Which Are Preserved In The United States National Museum (1921)
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Descriptions Of Two Extinct Mammals Of The Order Xenarthra From The Pleistocene Of Texas (1916)
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Contributions To The Knowledge Of The Mammals Of The Pleistocene Of North America (1915)
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The Extinct Bisons Of North America: With Description Of One New Species Bison Regius (1913)
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