Fertilisation of Orchids (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Fertilisation of Orchids" in English language version.

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44darwinproject.ac.uk

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1darwinslandscape.co.uk

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Vogel 1996, pp. 56–57 Vogel, Stefan (1996), Barrett, Spencer C. H.; Lloyd, David W. (eds.), Floral biology: studies on floral evolution in animal-pollinated plants, London: Chapman & Hall, pp. 44–60, ISBN 0-412-04341-6, retrieved 20 July 2009
Vogel 1996, p. 44 Vogel, Stefan (1996), Barrett, Spencer C. H.; Lloyd, David W. (eds.), Floral biology: studies on floral evolution in animal-pollinated plants, London: Chapman & Hall, pp. 44–60, ISBN 0-412-04341-6, retrieved 20 July 2009
Vogel 1996, pp. 44–57 Vogel, Stefan (1996), Barrett, Spencer C. H.; Lloyd, David W. (eds.), Floral biology: studies on floral evolution in animal-pollinated plants, London: Chapman & Hall, pp. 44–60, ISBN 0-412-04341-6, retrieved 20 July 2009
Thompson 1994, pp. 24–25 Thompson, John L. (1994), The coevolutionary process, Chicago: University of Chicago Press, ISBN 0-226-79760-0, retrieved 27 July 2009
Cronin 1993, p. 102 Cronin, Helena (1993), The ant and the peacock: altruism and sexual selection from Darwin to today, Press Syndicate of the University of Cambridge, ISBN 0-521-45765-3, retrieved 27 July 2009
Thompson 1994, pp. 26–27 Thompson, John L. (1994), The coevolutionary process, Chicago: University of Chicago Press, ISBN 0-226-79760-0, retrieved 27 July 2009
Thompson 1994, p. 25 Thompson, John L. (1994), The coevolutionary process, Chicago: University of Chicago Press, ISBN 0-226-79760-0, retrieved 27 July 2009
Thompson 1994, pp. 27–29 Thompson, John L. (1994), The coevolutionary process, Chicago: University of Chicago Press, ISBN 0-226-79760-0, retrieved 27 July 2009
Thompson 1994, pp. 29–30 Thompson, John L. (1994), The coevolutionary process, Chicago: University of Chicago Press, ISBN 0-226-79760-0, retrieved 27 July 2009
Vogel 1996, pp. 57–58 Vogel, Stefan (1996), Barrett, Spencer C. H.; Lloyd, David W. (eds.), Floral biology: studies on floral evolution in animal-pollinated plants, London: Chapman & Hall, pp. 44–60, ISBN 0-412-04341-6, retrieved 20 July 2009

bromley.org (Global: low place; English: low place)

Darwin at Downe – Downe Bank, archived from the original on 25 July 2011, retrieved 28 July 2009

charlesdarwintrust.org (Global: low place; English: low place)

Darwin's Landscape Laboratory bid for World Heritage Site, Charles Darwin Trust, archived from the original on 13 September 2010, retrieved 31 July 2009

darwin-online.org.uk (Global: 2,821^st place; English: 2,253^rd place)

Fertilisation of Orchids, Darwin Online, retrieved 2 February 2009 – Bibliographical introduction from: Freeman, R. B. (1977) The Works of Charles Darwin: An Annotated Bibliographical Handlist. 2nd edn. Dawson: Folkestone.
Darwin 1958, pp. 127–128 Darwin, Charles (1958), Barlow, Nora (ed.), The Autobiography of Charles Darwin 1809–1882. With the original omissions restored. Edited and with appendix and notes by his granddaughter Nora Barlow, London: Collins, retrieved 7 February 2009
Darwin & Seward 1903, pp. 31–33 Darwin, Francis; Seward, A. C. (1903), "More Letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters", Nature, 67 (1745), London: John Murray: 529, Bibcode:1903Natur..67..529B, doi:10.1038/067529a0, S2CID 639074, retrieved 7 February 2009
Darwin 1887, p. 116 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 34–39 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 57–60 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1857, p. 725,
Darwin 1858, pp. 828–829 Darwin, Charles (1857), "Bees and the fertilisation of kidney beans", Gardeners' Chronicle and Agricultural Gazette, vol. 43, no. 24 October, p. 725, retrieved 20 July 2009 Darwin, Charles (1858), "On the agency of bees in the fertilisation of papilionaceous flowers, and on the crossing of kidney beans", Gardeners' Chronicle and Agricultural Gazette, vol. 46, no. 13 November, pp. 828–829, retrieved 20 July 2009
Darwin 1859, pp. 98–99, 145–146 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 73–74 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 94–95 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 2006, pp. 38 verso–40 verso Darwin, Charles (2006), "Journal", in van Wyhe, John (ed.), [Darwin's personal 'Journal' (1809–1881)], Darwin Online, CUL-DAR158.1–76, retrieved 7 February 2009
Darwin 1862a Darwin, Charles (1862a), "On the three remarkable sexual forms of Catasetum tridentatum, an orchid in the possession of the Linnean Society", Proceedings of the Linnean Society of London, no. Botany 6 (published 3 April 1862), pp. 151–157, retrieved 7 February 2009
Darwin 1862, pp. 1–4 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 9–19 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 91–93 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 20–24, 37 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 63–72 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 124–129 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 197–203 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 211–214, 222–224 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 278–279 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 305–307 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 343–346 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, p. 346 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Beer, Gillian (31 January 2009), "Review: Darwin's Island by Steve Jones and Darwin's Sacred Cause by Adrian Desmond and James Moore | Books", The Guardian, London, retrieved 30 July 2009
Darwin 1862, pp. 348–349 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1862, pp. 351–360 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Darwin 1887, pp. 270–276 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Browne 2002, pp. 194–195
Darwin 1887, pp. 274–275 Browne, E. Janet (2002), Charles Darwin: vol. 2 The Power of Place, London: Jonathan Cape, ISBN 0-7126-6837-3 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Gray 1874, p. 478 Gray, Asa (1874), "Notice (of Charles Robert Darwin) by Asa Gray", The American Naturalist, vol. 8, no. August, pp. 475–479, doi:10.1086/271362
Darwin 1887, pp. 114–116, 144–145 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Darwin 1887, pp. 288–290 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Darwin 1887, p. 286 Darwin, Charles (1887), Darwin, Francis (ed.), The life and letters of Charles Darwin, including an autobiographical chapter, London: John Murray, retrieved 7 February 2009
Darwin 1859, p. 489 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009

darwinproject.ac.uk (Global: low place; English: 8,570^th place)

Letter 889 – Darwin, C. R. to Hooker, J. D., (11–12 July 1845), Darwin Correspondence Project, retrieved 20 July 2009
Introduction, Darwin Correspondence Project, archived from the original on 5 June 2010, retrieved 3 February 2009, from The Correspondence of Charles Darwin, Volume 8: 1860 (pub 1993) ISBN 0-521-44241-9
Letter 4061 – Darwin, C. R. to Hooker, J. D., 26 (Mar 1863), Darwin Correspondence Project, retrieved 25 June 2009
Letter 2770 – Darwin, C. R. to Hooker, J. D., 27 April (1860), Darwin Correspondence Project, retrieved 3 February 2009
Letter 2776 – Darwin, C. R. to Hooker, J. D., 30 Apr (1860), Darwin Correspondence Project, retrieved 3 February 2009
Darwin, C. R. to Gardeners' Chronicle, (4 or 5 June 1860), Darwin Correspondence Project, retrieved 3 February 2009
Letter 2825 – Darwin, C. R. to Gray, Asa, 8 June (1860), Darwin Correspondence Project, retrieved 4 February 2009
Letter 2829 – Darwin, C. R. to Stainton, H. T., 11 June (1860), Darwin Correspondence Project, retrieved 4 February 2009
Letter 2871 – Darwin, C. R. to Hooker, J. D., 19 (July 1860), Darwin Correspondence Project, retrieved 3 February 2009
Letter 2920 – Darwin, C. R. to Gordon, George (b), 17 Sept (1860), Darwin Correspondence Project, retrieved 6 February 2009
Letter 2956 – Darwin, C. R. to Oliver, Daniel, 20 Oct (1860), Darwin Correspondence Project, retrieved 6 February 2009
Introduction, Darwin Correspondence Project, archived from the original on 10 July 2011, retrieved 29 March 2012, from The Correspondence of Charles Darwin, volume 9: 1861 (pub 1994) ISBN 0-521-45156-6
Letter 3174 – Darwin, C. R. to More, A. G., 2 June 1861, Darwin Correspondence Project, retrieved 4 February 2009
Letter 3176 – Darwin, C. R. to Gray, Asa, 5 June (1861), Darwin Correspondence Project, retrieved 4 February 2009
Letter 3190 – Darwin, C. R. to Hooker, J. D., 19 June (1861), Darwin Correspondence Project, retrieved 4 February 2009
Letter 3216 – Darwin, C. R. to Gray, Asa, 21 July (1861), Darwin Correspondence Project, retrieved 4 February 2009
Letter 3221 – Darwin, C. R. to Hooker, J. D., (28 July – 10 Aug 1861), Darwin Correspondence Project, retrieved 5 February 2009
Letter 3252 – Darwin, C. R. to Gardeners' Chronicle, (before 14 Sept 1861), Darwin Correspondence Project, retrieved 5 February 2009
Letter 3263 – Darwin, C. R. to Hooker, J. D., 24 Sept (1861), Darwin Correspondence Project, retrieved 5 February 2009
Letter 3264 – Darwin, C. R. to Murray, John (b), 24 Sept (1861), Darwin Correspondence Project, retrieved 5 February 2009
Letter 3283 – Darwin, C. R. to Gray, Asa, (after 11 Oct 1861), Darwin Correspondence Project, retrieved 4 February 2009
Letter 3402 – Nevill, D.F. to Darwin, C. R., (before 22 Jan 1862), Darwin Correspondence Project, retrieved 25 June 2009
Letter 3404 – Darwin, C. R. to Gray, Asa, 22 Jan (1862), Darwin Correspondence Project, retrieved 7 February 2009
Letter 3411 – Darwin, C. R. to Hooker, J. D., 25 Jan (1862), Darwin Correspondence Project, retrieved 9 February 2009
Letter 3421 – Darwin, C. R. to Hooker, J. D., 30 Jan (1862), Darwin Correspondence Project, retrieved 12 February 2009
Letter 3305 – Darwin, C. R. to Hooker, J. D., 1 Nov (1861), Darwin Correspondence Project, retrieved 7 February 2009
Letter 3340 – Darwin, C. R. to Oliver, Daniel, 7 Dec (1861), Darwin Correspondence Project, retrieved 28 September 2012
Letter 3407 – Rogers, John (a) to Darwin, C. R., 22 Jan 1862, Darwin Correspondence Project, retrieved 28 September 2012
Introduction, Darwin Correspondence Project, archived from the original on 5 June 2010, retrieved 7 February 2009, from The Correspondence of Charles Darwin, volume 10: 1862 (pub 1997) ISBN 0-521-59032-9
Letter 3442 – Darwin, C. R. to Murray, John (b), 9 (Feb 1862), Darwin Correspondence Project, retrieved 7 February 2009
Letter 3699 – Darwin, C. R. to Murray, John (b), 24 Aug (1862), Darwin Correspondence Project, retrieved 5 February 2009
"Was Darwin an ecologist?". Darwin Correspondence Project. Archived from the original on 23 April 2012. Retrieved 29 March 2012.
Letter 3624 – Hooker, J. D. to Darwin, C. R., 28 June 1862, Darwin Correspondence Project, retrieved 25 June 2009
Letter 3527 – Hooker, J. D. to Darwin, C. R., (17 May 1862), Darwin Correspondence Project, retrieved 25 June 2009
Letter 3566 – Babington, C. C. to Darwin, C. R., 22 May 1862, Darwin Correspondence Project, retrieved 25 June 2009
Letter 3554 – Bentham, George to Darwin, C. R., 15 May 1862, Darwin Correspondence Project, retrieved 25 June 2009
"Letter 4217 – Darwin, C. R. to Bentham, George, 19 June (1863)". Darwin Correspondence Project. Retrieved 28 July 2009.
Letter 3628 – Darwin, C. R. to Hooker, J. D., 30 (June 1862), Darwin Correspondence Project, retrieved 7 February 2009
Kritsky 1991 Kritsky, Gene (1991), "Darwin's Madagascan Hawk Moth prediction" (PDF), American Entomologist, vol. 37, no. 4, pp. 206–9, doi:10.1093/ae/37.4.206, archived from the original (PDF) on 29 February 2012, retrieved 9 February 2009
Letter 3662 – Darwin, C. R. to Gray, Asa, 23(−4) July (1862), Darwin Correspondence Project, retrieved 9 March 2008
Wallace 1867
Letter 5637 – Wallace, A. R. to Darwin, C. R., 1 Oct (1867), Darwin Correspondence Project, retrieved 31 July 2009 Wallace, Alfred Russel (1867), "Creation by Law", Quarterly Journal of Science (October), retrieved 31 July 2009
Letter 3816 – Darwin, C. R. to Bates, H. W., 20 Nov (1862), Darwin Correspondence Project, retrieved 30 July 2009
Letter 3472 – Darwin, C. R. to Hooker, J. D., 14 Mar (1862), Darwin Correspondence Project, retrieved 25 June 2009
Desmond & Moore 1991, p. 513
Letter 3875 – Darwin, C. R. to Hooker, J. D., 24 Dec (1862), Darwin Correspondence Project, retrieved 5 November 2009
Letter 4009 – Darwin, C. R. to Hooker, J. D., 24(−5) Feb (1863), Darwin Correspondence Project, retrieved 25 June 2009 Desmond, Adrian; Moore, James (1991), Darwin, London: Michael Joseph, Penguin Group, ISBN 0-7181-3430-3

darwinslandscape.co.uk (Global: low place; English: low place)

Downe Bank, Darwin's Landscape Laboratory, archived from the original on 11 January 2012, retrieved 7 September 2011

doi.org (Global: 2^nd place; English: 2^nd place)

Darwin & Seward 1903, pp. 31–33 Darwin, Francis; Seward, A. C. (1903), "More Letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters", Nature, 67 (1745), London: John Murray: 529, Bibcode:1903Natur..67..529B, doi:10.1038/067529a0, S2CID 639074, retrieved 7 February 2009
Darwin 1859, pp. 98–99, 145–146 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 73–74 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 94–95 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Kritsky 1991 Kritsky, Gene (1991), "Darwin's Madagascan Hawk Moth prediction" (PDF), American Entomologist, vol. 37, no. 4, pp. 206–9, doi:10.1093/ae/37.4.206, archived from the original (PDF) on 29 February 2012, retrieved 9 February 2009
Gray 1874, p. 478 Gray, Asa (1874), "Notice (of Charles Robert Darwin) by Asa Gray", The American Naturalist, vol. 8, no. August, pp. 475–479, doi:10.1086/271362
Darwin 1859, p. 489 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Darwin & Seward 1903, pp. 31–33 Darwin, Francis; Seward, A. C. (1903), "More Letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters", Nature, 67 (1745), London: John Murray: 529, Bibcode:1903Natur..67..529B, doi:10.1038/067529a0, S2CID 639074, retrieved 7 February 2009
Darwin 1859, pp. 98–99, 145–146 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 73–74 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 94–95 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, p. 489 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009

nih.gov (Global: 4^th place; English: 4^th place)

ncbi.nlm.nih.gov

Darwin 1859, pp. 98–99, 145–146 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 73–74 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 94–95 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, p. 489 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009

pubmed.ncbi.nlm.nih.gov

Darwin 1859, pp. 98–99, 145–146 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 73–74 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, pp. 94–95 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009
Darwin 1859, p. 489 Darwin, Charles (1859), "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life", Nature, 5 (121) (1st ed.), London: John Murray: 367–404, Bibcode:1872Natur...5..318B, doi:10.1038/005318a0, PMC 5184128, PMID 30164232, retrieved 7 February 2009

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Darwin & Seward 1903, pp. 31–33 Darwin, Francis; Seward, A. C. (1903), "More Letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters", Nature, 67 (1745), London: John Murray: 529, Bibcode:1903Natur..67..529B, doi:10.1038/067529a0, S2CID 639074, retrieved 7 February 2009

si.edu (Global: 340^th place; English: 295^th place)

mnh.si.edu

Orchids Through Darwin's Eyes, Smithsonian Institution, archived from the original on 23 February 2009, retrieved 12 February 2009

theguardian.com (Global: 12^th place; English: 11^th place)

Beer, Gillian (31 January 2009), "Review: Darwin's Island by Steve Jones and Darwin's Sacred Cause by Adrian Desmond and James Moore | Books", The Guardian, London, retrieved 30 July 2009
Darwin 1862, pp. 348–349 Darwin, Charles (1862), On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing, London: John Murray, retrieved 7 February 2009
Kennedy, Maev (30 January 2009), "Darwin's home nominated as world heritage site | Science", The Guardian, London, retrieved 12 February 2009

unesco.org (Global: 104^th place; English: 199^th place)

whc.unesco.org

"UNESCO World Heritage Centre – Thirty-nine properties to be considered for inscription on UNESCO's World Heritage List". Retrieved 3 August 2010.
"UNESCO World Heritage Centre – World Heritage Committee inscribes a total of 21 new sites on UNESCO World Heritage List". Retrieved 3 August 2010.

web.archive.org (Global: 1^st place; English: 1^st place)

Introduction, Darwin Correspondence Project, archived from the original on 5 June 2010, retrieved 3 February 2009, from The Correspondence of Charles Darwin, Volume 8: 1860 (pub 1993) ISBN 0-521-44241-9
Introduction, Darwin Correspondence Project, archived from the original on 10 July 2011, retrieved 29 March 2012, from The Correspondence of Charles Darwin, volume 9: 1861 (pub 1994) ISBN 0-521-45156-6
Introduction, Darwin Correspondence Project, archived from the original on 5 June 2010, retrieved 7 February 2009, from The Correspondence of Charles Darwin, volume 10: 1862 (pub 1997) ISBN 0-521-59032-9
"Was Darwin an ecologist?". Darwin Correspondence Project. Archived from the original on 23 April 2012. Retrieved 29 March 2012.
Kritsky 1991 Kritsky, Gene (1991), "Darwin's Madagascan Hawk Moth prediction" (PDF), American Entomologist, vol. 37, no. 4, pp. 206–9, doi:10.1093/ae/37.4.206, archived from the original (PDF) on 29 February 2012, retrieved 9 February 2009
Darwin at Downe – Downe Bank, archived from the original on 25 July 2011, retrieved 28 July 2009
Downe Bank, Darwin's Landscape Laboratory, archived from the original on 11 January 2012, retrieved 7 September 2011
Darwin's Landscape Laboratory bid for World Heritage Site, Charles Darwin Trust, archived from the original on 13 September 2010, retrieved 31 July 2009
Orchids Through Darwin's Eyes, Smithsonian Institution, archived from the original on 23 February 2009, retrieved 12 February 2009

wku.edu (Global: low place; English: 7,738^th place)

Wallace 1867
Letter 5637 – Wallace, A. R. to Darwin, C. R., 1 Oct (1867), Darwin Correspondence Project, retrieved 31 July 2009 Wallace, Alfred Russel (1867), "Creation by Law", Quarterly Journal of Science (October), retrieved 31 July 2009