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By: William E. Duellman
(1930-)
The Amphibians and Reptiles of Michoacán, México
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacan, Mexico
A Review of the Frogs of the Hyla bistincta Group
A Taxonomic Study of the Middle American Snake, Pituophis deppei
Descriptions of New Hylid Frogs From Mexico and Central America
Systematic Status of the Colubrid Snake, Leptodeira discolor Gunther
The Genera of Phyllomedusine Frogs (Anura Hylidae)
Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V
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