Books by Ridgway, Robert
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Displaying results 1–4
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A History of North American Birds; Land Birds; Vol. 3 of 3
Spencer Fullerton Baird, T. M. Brewer, and Robert Ridgway
1646 downloads
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A History of North American Birds; Land Birds; Vol. 1 of 3
Spencer Fullerton Baird, T. M. Brewer, and Robert Ridgway
1262 downloads
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A History of North American Birds; Land Birds; Vol. 2 of 3
Spencer Fullerton Baird, T. M. Brewer, and Robert Ridgway
966 downloads
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Color Standards and Color Nomenclature
Robert Ridgway
916 downloads
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Displaying results 1–4