Biology

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Amsterdam, Heinric Laurentius, 1644.

DARWIN, CHARLES.

London, Taylor and Francis, 1844.

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Leipzig, Engelmann, 1912.

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DARWIN, C. R. (+) DARWIN, G. H.

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WATSON, JAMES, D.

London, Weidenfeld and Nicolson, (1968).

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GOSSE, PHILIP, HENRY.

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VRIES, HUGO DE.

Leipzig, Wilh. Hirsemann, 1877.

DARBISHIRE, A.D.

London, N.Y. etc., 1911.

HARTING, P.

Leipzig, W. Engelmann, 1851.

SPENCER, HERBERT & HUXLEY, T. H.

New York, D. Appleton and Company, 1874.

WÖHLER, FRIEDRICH & JUSTUS LIEBIG - CLASSIFYING ORGANIC COMPOUNDS.

Leipzig, Johann Ambrosius Barth, 1832.

VRIES, HUGO de. - THE THEORY OF MUTATIONS UNFOLDED.

Leipzig, Veit & Comp., 1901-03.

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VRIES, HUGO de. - THE THEORY OF MUTATIONS UNFOLDED.

Leipzig, Veit & Comp., 1901-03.