Duellman, William Edward

Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas epub

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus epub

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther epub

Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala epub