18 books • 1 series
Half Hours With Modern Scientists
Theology of Evolution
Catalogue of Batrachians and Reptiles of Central America and Mexico (Classic Reprint)
The Batrachia of North America (Classic Reprint)
Orbituary Notice of Professor John A. Ryder (Classic Reprint)
Observations on the Fishes of the Tertiary Shales of Green River, Wyoming Territory (Classic Reprint)
The Primary Factors of Organic Evolution (Classic Reprint)
Indiana. Department of Geology and Natural History. Fourteenth Annual Report. Part First, Geology of Natural History; Part Second, Post-Pliocene Vertebrates of Indiana. 1884
The Negroland of the Arabs Examined and Explained; Or, an Inquiry Into the Early History and Geography of Central Africa
The American Naturalist, 1896, Vol. 30: An Illustrated Magazine of Natural History (Classic Reprint)
On the Batrachia and Reptilia of Costa Rica
On the Batrachia and Reptilia of Costa Rica: With Notes on the Herpetology and Ichthyology of Nicaragua and Peru (Large Text Classic Reprint)
On the Contents of a Bone Cave in the Island of Anguilla (West Indies)
The Primary Factors of Organic Evolution
Cope Papers, 1871-[1897
On The Extinct American Rhinoceroses And Their Allies (1879)
Baur On The Temporal Part Of The Skull
The Origin of the Fittest, (Mexican American)