350 BC. - Aristotle. On the Generation of Animals.
This is a full-text HTML version of the entire book.

350 BC. - Aristotle. On the Parts of Animals.
This is a full-text HTML version of the entire book.

350 BC. - Aristotle. The History of Animals.
This is a full-text HTML version of the entire book.

170 AD. - Galen. On the Natural Faculties.
This is a full-text HTML version of the entire book.

1601. - Bacon, Francis. The Essays.
This is a full-text HTML version of the entire book.

1759. - Voltaire. Candide.
PDF typeset file: 557,634 bytes - 104 pages - no figures

1798. - Malthus, T. An Essay on the Principle of Population.
PDF typeset file: 948,754 bytes - 134 pages - no figures

1830. - Lyell, Charles Principles of Geology, Vols 1-3. London: John Murray
This is a full-text PDF image facsimile version of the entire three volumes.

1844. - Anonymous. Vestiges of the Natural History of Creation. London: John Churchill.
This is a full-text PDF image facsimile version of the entire 390-page original first edition.

1845. - Darwin, C. The Voyage of the Beagle, Second Edition. London: John Murray.
This is a full-text HTML version of the entire book.

1856. - Melville, Herman. The Piazza Tales. New York: Dix, Edwards, & Co.
This is a full-text HTML version of the entire book.

1859. - Darwin, C. On the Origin of Species. London: John Murray, Albemarle Street.
This is a full-text PDF image facsimile version of the entire 502-page original first edition.

1869. - Müller, F. Facts and Arguments for Darwin. London: John Murray, Albemarle Street
PDF image facsimile file: 27,408,859 bytes - 152 pages - several figures

1883. - Brooks, W. K. The Law of Heredity, Second Edition. Baltimore and New York: John Murphy & Co., Publishers.
This is a full-text PDF image facsimile version of the entire 336-page original first edition.

1883. - Darwin, C. The Variation of Animals and Plants Under Domestication, Second Edition, Revised (two volumes). New York: D. Appleton & Co.
This is a full-text PDF image facsimile version of the entire 473-page volume I and the entire 495-page volume II of the original work.

1889. - Galton, Francis Natural Inheritance. London: Macmillan
This is an image facsimile version of the entire 260-page original first edition.

1889. - Weismann, August Essays Upon Heredity. Oxford at the Clarendon Press
This is a full-text PDF image facsimile version of the entire 700-plus pages of the original volumes.

1893. - Weismann, August The Germ-Plasm. New York: Charles Scribner's Sons
This is a full-text PDF image facsimile version of the entire 477-page original book.

1894. - Bateson, William. Materials for the Study of Variation. London: Macmillan and Company.
This is a full-text PDF image facsimile version of the entire 598-page original first edition.

1897. - Morgan, Thomas Hunt The Development of the Frog's Egg: An Introduction to Experimental Embryology. New York: The Macmillan Company
PDF image facsimile file: 46,153,994 bytes bytes - 204 pages - several figures

1900. - Wilson, Edmund B. The Cell in Development and Inheritance, 2nd Edition New York: The Macmillan Company
This is a full-text PDF image facsimile version of the entire 490-page original book.

1902. - Bateson, William. Mendel's Principles of Heredity: A Defence. London: Cambridge University Press.
This is a full-text PDF image facsimile version of the entire 212-page original first edition.

1905. - Punnett, R. C. Mendelism, 1st Edition. Cambridge: Bowes and Bowes
PDF image facsimile file: 1,382,040 bytes - 71 pages - several figures

1907. - Punnett, R. C. Mendelism, 2nd Edition. Cambridge: Bowes and Bowes
PDF image facsimile file: 1,832,735 bytes - 93 pages - several figures

1908. - Bateson, William. The Methods and Scope of Genetics. London: Cambridge University Press.
This is a newly typeset full-text version of the entire 49-page original first edition.

1908. - Thomson, J. Arthur. Heredity. London: John Murray
This is a PDF image facsimile version of the entire 596-page original first edition.

1910. - Drinkwater, H. A Lecture on Mendelism. London: J. M. Dent & Sons.
This is an image facsimile version of the entire 48-page original first edition.

1910. - Vries, Hugo de. Intracellular Pangenesis. Chicago: The Open Court Publishing Co.
This is a full-text PDF image facsimile version of the entire 270-page original book

1911. - Castle, W. E. Heredity in Relation to Evolution and Animal Breeding. New York: D. Appleton and Company
This is an image facsimile version of the entire 184-page original edition.

1911. - Doncaster, L. Heredity in the Light of Recent Research. Cambridge: University Press
This is an image facsimile version of the entire 144-page original first edition.

1915. - Morgan, Thomas H., Sturtevant, A. H., Muller, H. J., and C. B. Bridges The Mechanism of Mendelian Heredity. New York: Henry Holt and Company
This is a full-text PDF image facsimile version of the entire 262-page original book.

1916. - Muller, Hermann J. The Mechanism of Crossing-over. New York: The American Naturalist
This is an image facsimile version of the entire 86-page original edition.

1916. - Sandburg, Carl Chicago Poems. New York: Henry Holt and Company
PDF typeset file: 748,307 bytes - 82 pages

1919. - Morgan, Thomas H. The Physical Basis of Heredity. Philadelphia: J. B. Lippincott Company
This is a full-text PDF image facsimile version of the entire 305-page original book.

1923. - Garrod, Archibald. Inborn Errors of Metabolism, Second Edition. London: Henry Frowde and Hodder & Stoughton
This is a full-text PDF image facsimile version of the entire 216-page original book.

1928. - Morgan, Thomas H. The Theory of the Gene, Revised and Enlarged Edition. New Haven: Yale University Press
This is a full-text PDF image facsimile version of the entire 358-page original book.

1932. - Jones, Donald F. (ed) Proceedings of the Sixth International Congress of Genetics, Vol. I. Austin, Texas: Genetics Society of America
This is an image facsimile version of the entire 396-page original edition.

1965. - Sturtevant, Alfred H. A History of Genetics. First published in 1965, it was brought back into print in 2001 by Cold Spring Harbor Laboratory Press and the Electronic Scholarly Publishing project.
This is a full-text PDF typeset version of the entire 167-page original book.

1969. - Crew, F. A. E. Recollections of the early days of the genetical society. In John Jinks, The Genetical Society - The First Fifty Years, Edinburgh: Oliver and Boyd, pp.9-15.
PDF image facsimile file: 7 pages