👤 Hay Oliver Perry

The Recognition Of Pleistocene Faunas Hay Oliver Perry

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 Hay Oliver Perry

On the manner of locomotion of the dinosaurs, especially Diplodocus, with remarks on the origin of the birds Hay Oliver Perry

Bibliography and catalogue of the fossil vertebrata of North America Hay Oliver Perry

The fossil turtles of North America Hay Oliver Perry

The Batrachians and Reptiles of Indiana Hay Oliver Perry