Livres de William E. Duellman

A Biogeographic Account of the Herpetofauna of Michoacán, México

Collected papers

A New Species of Xenodontine Colubrid Snake of the Genus Synophis from Ecuador and the Phylogeny of the Genera Synophis and Emmochliophis

Amphibians and Reptiles from the Yucatan Peninsula, México

A Review of the Middle American Tree Frogs of the Genus Ptychohyla

New Species of Frogs, Centrolenella, from the Pacific Versant of Ecuador and Southern Colombia

Occasional Papers of the Museum of Natural History, the University of Kansas

Robust Statistics for Spatial Analysis

Population Ecology of the Gray Bat (Myotis Grisescens)

Occasional Papers of the Museum of Natural History, the University of Kansas

Some Hylid Frogs from the Guiana Highlands, Northeastern South America

Marsupial Frogs

Biology of Amphibians

An Introduction to the Amphibians of Ecuador

Pipidae, Telmatobiidae, Microhylidae, Dendrobatidae, Ranidae, Bufonidae, Hylidae

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

Descriptions of New Hylid Frogs from Mexico and Central America

Descriptions Of New Hylid Frogs From Mexico And Central America

Amphibians of Ecuador

Biology of Amphibians