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Authors
Author
Roger Tory Peterson Institute
Books
A Field Guide to Eastern Forests, North America
National Audubon Society, National Wildlife Federation, John C. Kricher, Roger Tory Peterson Institute, Gordon Morrison
A Field Guide to Eastern Trees
National Audubon Society, National Wildlife Federation, George A. Petrides, Janet Wehr, Roger Tory Peterson Institute
A Field Guide to Medicinal Plants
National Audubon Society, National Wildlife Federation, James A. Duke, Roger Tory Peterson Institute
Jay M. Pasachoff, National Audubon Society, Roger Tory Peterson Institute
Stars and Planets
Stars and Planets
Jay M. Pasachoff, National Audubon Society, Roger Tory Peterson Institute
A Field Guide to Wildflowers of Northeastern and North-Central North America
Roger Tory Peterson, Roger Tory Peterson Institute, Margaret McKenny
A Field Guide to the Birds of Britain and Europe
Roger Tory Peterson, Roger Tory Peterson Institute, Guy Mountfort, P. A. D. Hollom
A Field Guide to Wildflowers
Roger Tory Peterson, Roger Tory Peterson Institute, Mariner Books Staff, Margaret McKenny
Handbook for Butterfly Watchers
Robert Michael Pyle, Roger Tory Peterson Institute, Sarah Anne Hughes
