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![Darwin, C. R. 1868. The variation of animals and plants under domestication. London: John Murray. 1st edition, second issue. Volume 1. Darwin, C. R. 1868. The variation of animals and plants under domestication. London: John Murray. 1st edition, second issue. Volume 1.](http://darwin-online.org.uk/converted/scans/1868_Variation_F878.1(online)/1868_Variation_F878.1_151.jpg)
Darwin, C. R. 1868. The variation of animals and plants under domestication. London: John Murray. 1st edition, second issue. Volume 1.
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![Darwin, C. R. 1874. The descent of man, and selection in relation to sex. London: John Murray. 2d ed.; tenth thousand. Darwin, C. R. 1874. The descent of man, and selection in relation to sex. London: John Murray. 2d ed.; tenth thousand.](http://darwin-online.org.uk/converted/scans/1874_Descent_F944(online)/1874_Descent_F944_001.jpg)
Darwin, C. R. 1874. The descent of man, and selection in relation to sex. London: John Murray. 2d ed.; tenth thousand.
Darwin Digital Library of Evolution Alphabetical Listing of Works | PDF | Charles Darwin | Natural Selection
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