William Edward Duellman

A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México

William Edward Duellman
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala

William Edward Duellman
The Amphibians and Reptiles of Michoacán, México

William Edward Duellman
The Genera of Phyllomedusine Frogs (Anura: Hylidae)

William Edward Duellman
A Taxonomic Study of the Middle American Snake, Pituophis deppei

William Edward Duellman
A Review of the Middle American Tree Frogs of the Genus Ptychohyla

William Edward Duellman
Descriptions of New Hylid Frogs From Mexico and Central America

William Edward Duellman
A Review of the Frogs of the Hyla bistincta Group

William Edward Duellman
Descriptions of Two Species of Frogs, Genus Ptychohyla

William Edward Duellman
Systematic Status of the Colubrid Snake, Leptodeira discolor Günther

William Edward Duellman
A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus

William Edward Duellman
Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas

William Edward Duellman
A Curated Selection of 13 Fascinating Books About Snakes

William Edward Duellman