Reptile and Amphibian Variants: Colors, Patterns, and Scales
Bechtel, Bernard H.
West Indian Iguanas: Status Survey and Conservation Action Plan
Alberts, Allison [Editor]
The Life of Reptiles Volume II
Snakes of the Agkistrodon Complex: A Monographic Review
Gloyd, Howard K. & Roger Conant
Reptiles & Amphibians of Australia. New Edition.
Cogger, Harold G.
The Amphibians and Reptiles of Costa Rica: A Herpetofauna between Two Continents, between Two Seas
Checklist of the Vertebrate Animals of Kansas
Potts, George D.; Joseph T. Collins
A Field Guide to the Reptiles and Amphibians of Britain and Europe
Arnold, E.N. and J.A. Burton
The Reptiles of the Upper Amazon Basin, Iquitos Region, Peru
Dixon, James Ray and Pekka Soini
Australian Freshwater Turtles
Amphibians and Reptiles of New Mexico
Degenhardt, William G., Charles W. Painter, & Andrew H. Price
Amphibians of East Africa
Channing, Alan; Howell, Kim