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Water Birds of North America V2
by Baird, Spencer Fullerton, B...
ISBN: 9781162262307
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Nomenclature of North American Birds : Chiefly Contained in the United States National Museu...
by Ridgway, Robert
ISBN: 9781162225470
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A Nomenclature of Colors for Naturalists; And Compendium of Useful Knowledge for Ornithologi...
by Ridgway, Robert
ISBN: 9781153059480
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Nomenclature of North American Birds Chiefly Contained in the United States National Museum
by Ridgway, Robert
ISBN: 9781152153356
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The Ornithology of Illinois (Volume 2 pt. 1)
by Ridgway, Robert
ISBN: 9781153084888
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The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera,...
by Ridgway, Robert, Friedmann,...
ISBN: 9781143256325
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Directions for Collecting Birds, Issue 39,part 1
by Ridgway, Robert
ISBN: 9781147521337
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A Nomenclature Of Colors For Naturalists And Compendium Of Useful Knowledge For Ornithologis...
by Ridgway, Robert
ISBN: 9781120226372
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The Ornithology of Illinois. Part I. Descriptive Catalogue
by Ridgway, Robert
ISBN: 9781152152953
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Catalogue of the Aquatic and Fish-Eating Birds exhibited by the United Staes National Museum
by United States National Muse...
ISBN: 9781117665177
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The birds of North and Middle America: a descriptive catalogue of the higher groups, genera,...
by Robert Ridgway, Herbert Fri...
ISBN: 9781172908875
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Catalogue of the Aquatic and Fish-Eating Birds exhibited by the United Staes National Museum
by United States National Muse...
ISBN: 9781117665184
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Water Birds of North America V2
by Baird, Spencer Fullerton, B...
ISBN: 9781120935922
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Ornithology of Illinois V1 : Descriptive Catalogue, Economic Ornithology (1889)
by Ridgway, Robert, Forbes, S. A.
ISBN: 9781120910653
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Die Nordamerikanische Vogelwelt
by Ridgway, Robert, Nehrling, ...
ISBN: 9781149353653
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Die Nord-Amerikanische Vogelwelt
by Ridgway, Robert, Nehrling, ...
ISBN: 9781149352588
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