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• Key to North American birds : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland / by Elliott Coues, M.A., M.D., Ph.D.
  by: Coues, Elliott, 1842-1899,
  Published: (1884)
• Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology ... and Field ornithology.
  by: Coues, Elliott, 1842-1899.
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• Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds.
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• The birds of eastern North America known to occur east of the nineenth meridian by Charles B. Cory ...
  by: Cory, Charles B. 1857-1921.
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