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Carl H. Ernst

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Stand Alone

Venomous reptiles of the United States, Canada, and northern Mexico
Snakes of the United States and Canada
Venomous Reptiles of the United States, Canada, and Northern Mexico: Crotalus (Volume 2)
Turtles of the world
Snakes in Question The Smithsonian Answer Book
Snakes in Question, Second Edition
Turtles of the World (World Biodiversity Database CD-ROM Series)
Snakes in Question The Smithsonian Answer Book
Turtles of the United States and Canada
Turtles of the United States and Canada