"Urbain Jean Joseph Leverrier". Encyclopaedia Britannica. LoveToKnow Classic Encyclopedia. 1911. 23 Ocak 2013 tarihinde kaynağından arşivlendi. Erişim tarihi: 23 Kasım 2008.
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Adams, J.C., MA, FRAS, Fellow of St Johns College, Cambridge (1846). "On the Perturbations of Uranus (p.265)". Appendices to various nautical almanacs between the years 1834 and 1854 (reprints published 1851) (note that this is a 50Mb download of the pdf scan of the nineteenth-century printed book). UK Nautical Almanac Office, 1851. 13 Haziran 2016 tarihinde kaynağından arşivlendi. Erişim tarihi: 23 Ocak 2008.KB1 bakım: Birden fazla ad: yazar listesi (link)
U. Le Verrier (1859), (in French), Lettre de M. Le Verrier à M. Faye sur la théorie de Mercure et sur le mouvement du périhélie de cette planète, Comptes rendus hebdomadaires des séances de l'Académie des sciences (Paris), vol. 49 (1859), pp. 379–383. (At p. 383 in the same volume Le Verrier's report is followed by another, from Faye, enthusiastically recommending to astronomers to search for a previously undetected intra-mercurial object.)
Adams, J.C., MA, FRAS, Fellow of St Johns College, Cambridge (1846). "On the Perturbations of Uranus (p.265)". Appendices to various nautical almanacs between the years 1834 and 1854 (reprints published 1851) (note that this is a 50Mb download of the pdf scan of the nineteenth-century printed book). UK Nautical Almanac Office, 1851. 13 Haziran 2016 tarihinde kaynağından arşivlendi. Erişim tarihi: 23 Ocak 2008.KB1 bakım: Birden fazla ad: yazar listesi (link)
"Urbain Jean Joseph Leverrier". Encyclopaedia Britannica. LoveToKnow Classic Encyclopedia. 1911. 23 Ocak 2013 tarihinde kaynağından arşivlendi. Erişim tarihi: 23 Kasım 2008.