Author:Oliver Perry Hay

Works

 * The Batrachians and Reptiles of the State of Indiana (1892)
 * Bibliography and Catalogue of the Fossil Vertebrata of North America (1902)
 * The Fossil Turtles of North America (1908)
 * On the Manner of Locomotion of the Dinosaurs, especially Diplodocus, with Remarks on the Origin of the Birds (1910)
 * The Recognition of Pleistocene Faunas (1912)
 * The Pleistocene of North America and its Vertebrated Animals from the States East of the Mississippi River and from the Canadian Provinces East of Longitude 95° (1923)