William Edward Duellman – författare

Hylid Frogs of Middle America; Volume 1

Hylid Frogs of Middle America; Volume 1

South American Herpetofauna

Its Origin, Evolution, and Dispersal

South American Herpetofauna

Its Origin, Evolution, and Dispersal

Hylid Frogs of Middle America

2

Hylid Frogs of Middle America

2

Review of the Frogs of the Hyla Bistincta Group

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

Descriptions of Two Species of Frogs, Genus Ptychohyla / Studies of American Hylid Frogs, V

Type Specimens of Amphibians and Reptiles in the Museum of Natural History, the University of Kansas

Amphibians And Reptiles Of Michoacán, México

Our Little Swedish Cousin