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Authors whose works are in public domain in at least one jurisdiction

List of works by William Edward Duellman

A new species of marsupial frog (Anura: Hylidae: Gastrotheca) from the Cordillera Azul in Peru

Lawrence, Kan.: Natural History Museum, University of Kansas, 2001.

Amphibian species of the world : Additions and corrections

Lawrence: University of Kansas, 1993.

Amphibians of La Escalera Region, Southeastern Venezuela : taxonomy, ecology, and biogeography

Lawrence, Kansas: Natural History Museum, The University of Kansas, c1997.

Frogs of the genus Eleutherodactylus (Anura: Leptodactylidae) in the Andes of northern Peru

Lawrence, Kan.: Natural History Museum, University of Kansas, [1999]

Frogs of the genus Eleutherodactylus (Leptodactylidae) in western Ecuador : systematics, ecology, and biogeography

Lawrence, Kan.: Natural History Museum, University of Kansas, c1997.

Guide to the frogs of the Iquitos region, Amazonian Peru

[Lima?]: Asociación de Ecología y Conservación ;1994.

New species of stream-breeding hylid frogs from the northern versant of the highlands of Oaxaca, Mexico

Lawrence, Kan.: Natural History Museum, University of Kansas, [2000]

Smilisca puma

species of amphibian

The Eleutherodactylus of the Amazonian slopes of the Ecuadorian Andes (Anura : Leptodactylidae)

Lawrence: University of Kansas, 1980.

The hylid frogs of Middle America

[Lawrence]: University of Kansas, 1970.

The taxonomy and phylogenetic relationships of the hylid frog genus Stefania

Lawrence, Kan. :Museum of Natural History, University of Kansas,1984. | Harvard University, Museum of Comparative Zoology, Ernst Mayr Librar