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Peterson Field Guide to Reptiles and Amphibians Eastern and Central North America

by Robert Powell, Roger Conant, Joseph T. Collins

Key to the Herpetofauna of the Continental United States and Canada

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A Field Guide to Reptiles and Amphibians

by Roger Conant, Joseph T. Collins, Isabelle Hunt Conant (Illustrator), Tom R. Johnson (Illustrator), Roger Tory Peterson (Editor)

A Key to the Herpetofauna of the Continental United States and Canada

by Robert Powell, Joseph T. Collins, Errol D. Hooper

A Key to Amphibians and Reptiles of the Continental United States and Canada

by Robert Powell, Joseph T. Collins, Errol D. Hooper

Fishes in Kansas

by Frank B. Cross, Joseph T. Collins

Amphibians and Reptiles in Kansas

by Joseph T. Collins, Suzanne L. Collins (Photographer), John Hayes (Foreword by)

Snakes

by Richard A. Siegel, Joseph T. Collins, Susan S. Novack

Snakes

by Richard A. Siegel, Joseph T. Collins

Fishes in Kansas

by Frank B. Cross, Joseph T. Collins, Richard F. Johnston (Editor)

Amphibians and Reptiles in Kansas

by Joseph T. Collins

Principles and Methods of Phylogenetic Systematics

by Daniel R. Brooks, Janine N. Caira, Thomas R. Platt, Joseph T. Collins