Saving American birds : T. Gilbert Pearson and the founding of the Audubon movement /
T. Gilbert Pearson (1873-1943) was one of the most influential ornithologists in North America, crusading for the cause of conservation a century before the modern movement to save the earth's resources. Working in the American Ornithologists' Union, Pearson and other pioneering conservati...
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Gainesville :
University Press of Florida,
©1992.
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