The following is a list of novels written by william e duellman. Use the search box you can get more additional information.
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Neotropical Hylid Frogs, Genus Smilisca
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Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala
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Descriptions of New Hylid Frogs From Mexico and Central America
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A Review of the Frogs of the Hyla bistincta Group
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Descriptions of Two Species of Frogs, Genus Ptychohyla
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico
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The Amphibians and Reptiles of Michoacan, Mexico
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