Amphibians
Free to read here, from Project Gutenberg.
The Amphibians and Reptiles of Michoacán, México
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
Neotropical Hylid Frogs, Genus Smilisca
Some Reptiles and Amphibians from Korea
A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
The Ancestry of Modern Amphibia: A Review of the Evidence
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
A Review of the Frogs of the Hyla bistincta Group
Selected Records of Reptiles and Amphibians from Kansas
Amphibians and Reptiles in Captivity
