
“Topography of a Bird,” from Elliot Coues, Key to North American Birds (Boston: Estes and Lauriat, 1884)
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H. L. Clark, Birds of Amherst & Hampshire County (1887)
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J. A. Allen, Birds of Springfield, Massachusetts (1864)
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Ebenezer Emmons, Birds of Massachusetts (1833)
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A. C. Bagg & S. A. Eliot, Jr., Birds of the Connecticut Valley in Massachusetts (1937)
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Mass Audubon, Birds of Massachusetts (2020)