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Species and Varieties, Their Origin by Mutation
Hugo de Vries
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The Method by Which the Causes of the Present and Past Conditions of Organic Nature Are to Be Discovered; the Origination of Living Beings
Thomas Henry Huxley
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The Conditions of Existence as Affecting the Perpetuation of Living Beings
Thomas Henry Huxley
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Canterbury Pieces
Samuel Butler
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Darwin, and After Darwin, Volume 2 of 3
George John Romanes
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On the Origin of Species
Charles Darwin
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The Making of Species
Douglas Dewar and Frank Finn
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Darwiniana; Essays and Reviews Pertaining to Darwinism
Asa Gray
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Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes
Charles Darwin and Thomas Henry Huxley
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De afstamming van den mensch en de seksueele teeltkeus, deel 2 (van 2) (Dutch)
Charles Darwin
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De l'origine des espèces (French)
Charles Darwin
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The Past Condition of Organic Nature
Thomas Henry Huxley
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On the Reception of the 'Origin of Species'
Thomas Henry Huxley
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The illustrated story of evolution
Marshall J. Gauvin
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Darwiniana : Essays — Volume 02
Thomas Henry Huxley
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A Critical Examination of the Position of Mr. Darwin's Work, "On the Origin of Species," in Relation to the Complete Theory of the Causes of the Phenomena of Organic Nature
Thomas Henry Huxley
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Problems of Genetics
William Bateson
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Über die Entstehung der Arten im Thier- und Pflanzen-Reich durch natürliche Züchtung (German)
Charles Darwin
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Darwin, and After Darwin, Volume 3 of 3
George John Romanes
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The Wonders of Life: A Popular Study of Biological Philosophy
Ernst Haeckel
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Criticisms on "The Origin of Species"
Thomas Henry Huxley
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Degeneration: A Chapter in Darwinism
Sir E. Ray Lankester
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Facts and Arguments for Darwin
Fritz Müller
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Evolution: Its nature, its evidence, and its relation to religious thought
Joseph LeConte
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The Present Condition of Organic Nature
Thomas Henry Huxley
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