Edward D. Cope - Böcker

Synopsis of the Extinct Batrachia and Reptilia of North America

Transactions, American Philosophical Society (vol. 14, Part 1)

On the Contents of a Bone Cave in the Island of Anguilla

West Indies

On the Batrachia and Reptilia of Costa Rica

With notes on the herpetology and ichthyology of Nicaragua and Peru - Vol. 1

classification of the ungulate mammalia;

Third contribution to the history of the vertebrata of the Permian formation of Texas; Synopsis of the vertebrata of the Puerco Eocene epoch; On the systematic relations of the carnivora-fissipedia

Check-List of North American Batrachia and Reptilia

American Naturalist

An illustrated Magazine of Natural History: Vol. XXXI.