Rujukan Asal Usul Spesies

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Darwin, Charles (1859), On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (edisi Full image view 1st), London: John Murray, dicapai 2009-01-09
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Darwin, Charles (1872), The Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (edisi 6th), London: John Murray, dicapai 2009-01-09
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Darwin, Charles; Costa, James T. (2009), The Annotated Origin: A Facsimile of the First Edition of On the Origin of Species Annotated by James T. Costa, Cambridge, Massachusetts, and London, England: Belknap Press of Harvard University Press, ISBN 978-0-674-03281-1
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Huxley, Thomas Henry (1860), "Darwin on the Origin of Species", Westminster Review, 17 (April 1860): 541–570 . Published anonymously.
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Malthus, Thomas Robert (1826), An Essay on the Principle of Population: A View of its Past and Present Effects on Human Happiness; with an Inquiry into Our Prospects Respecting the Future Removal or Mitigation of the Evils which It Occasions (edisi 6th), London: John Murray, dicapai 2006-12-15
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Miles, Sara Joan (2001), "Charles Darwin and Asa Gray Discuss Teleology and Design", Perspectives on Science and Christian Faith, 53, m/s. 196–201, dicapai 2008-11-22
Mivart, St. George Jackson (1871), On the Genesis of Species, New York: Appleton
Moore, James (2006), Evolution and Wonder – Understanding Charles Darwin, Speaking of Faith (Radio Program), American Public Media, dicapai 2008-11-22
Phipps, William E. (1983), "Darwin, the Scientific Creationist", Christian Century (September 14–21, 1983): 809–811, dicapai 2007-01-11
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Quammen, David (2006), The Reluctant Mr. Darwin, New York: Atlas Books, ISBN 0-393-05981-2
Rhodes, Frank H.T. (June, 1987), "Darwinian Gradualism and Its Limits: The development of Darwin's Views on the Rate and Pattern of Evolutionary Change", Journal of the History of Biology, Humanities, Social Sciences and Law, Springer Netherlands (diterbitkan Saturday, November 06, 2004), 20 (2), m/s. 139–157, doi:10.1007/BF00138435 Check date values in: |date=, |publication-date= (bantuan)Selenggaraan CS1: Tarikh dan tahun (link)
Schopf, J. William; Scheibel, Arnold B. (1997), The Origin and Evolution of Intelligence, Boston: Jones and Bartlett, ISBN 0-7637-0365-6
Schopf, J. William (2000), "Solution to Darwin's dilemma: Discovery of the missing Precambrian record of life", Proceedings of the National Academy of Sciences of the USA, 97 (13): 6947–6953, doi:10.1073/pnas.97.13.6947, PMC 34368 , PMID 10860955, dicapai 2009-04-21
Secord, James A. (2000), Victorian Sensation: The Extraordinary Publication, Reception, and Secret Authorship of Vestiges of the Natural History of Creation, Chicago: University of Chicago Press, ISBN 0-226-74411-6
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van Wyhe, John (2007), "Mind the gap: Did Darwin Avoid Publishing his Theory for Many Years?", Notes and Records of the Royal Society, 61: 177–205, doi:10.1098/rsnr.2006.0171, dicapai 2009-01-05
van Wyhe, John (2008), Darwin: The Story of the Man and His Theories of Evolution, London: Andre Deutsch, ISBN 0-233-00251-0
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