Peterson Field Guide to Birds of Eastern & Central North America, Seventh Ed. - Roger Tory Peterson

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Peterson, Roger Tory: - ROGER TORY PETERSON, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars.