The Variation of Animals and Plants Under Domestication, Vol. I. by Darwin, Charles, 1809-1882

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Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin by Ball, W. P. (William Platt)

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The Variation of Animals and Plants under Domestication — Volume 1 by Darwin, Charles, 1809-1882

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The Variation of Animals and Plants under Domestication — Volume 2 by Darwin, Charles, 1809-1882

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The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Darwin, Charles, 1809-1882

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The Variation of Animals and Plants under Domestication by Darwin, Charles, 1809-1882

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On Germinal Selection as a Source of Definite Variation by Weismann, August, 1834-1914; McCormack, Thomas J. (Thomas Joseph), 1865-1932 [Translator]

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On the Variation of Species, with Especial Reference to the Insecta Followed by an Inquiry into the Nature of Genera by Wollaston, Thomas Vernon, 1822-1878

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