Chapman, Allan (2004). „Jeremiah Horrocks, William Crabtree, and the Lancashire observations of the transit of Venus of 1639”. Proceedings of the International Astronomical Union. 2004: 3—26. S2CID162490754. doi:10.1017/S1743921305001225.
Halley, Edmond (1686). „An historical account of the trade winds, and monsoons, observable in the seas between and near the Tropicks, with an attempt to assign the physical cause of the said winds”. Philosophical Transactions of the Royal Society of London. 16 (183): 153—168. doi:10.1098/rstl.1686.0026.
Hughes, David W.; Green, Daniel W. E. (јануар 2007). „Halley's First Name: Edmond or Edmund”(PDF). International Comet Quarterly. Harvard University. 29: 14. Bibcode:2007ICQ....29....7H. „Might we suggest... simply recogniz[ing] both forms, noting that—in the days when Halley lived—there was no rigid 'correct' spelling, and that this particular astronomer seemed to prefer the 'u' over the 'o' in his published works.”CS1 одржавање: Формат датума (веза)
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Hughes, David W.; Green, Daniel W. E. (јануар 2007). „Halley's First Name: Edmond or Edmund”(PDF). International Comet Quarterly. Harvard University. 29: 14. Bibcode:2007ICQ....29....7H. „Might we suggest... simply recogniz[ing] both forms, noting that—in the days when Halley lived—there was no rigid 'correct' spelling, and that this particular astronomer seemed to prefer the 'u' over the 'o' in his published works.”CS1 одржавање: Формат датума (веза)
Chapman, Allan (2004). „Jeremiah Horrocks, William Crabtree, and the Lancashire observations of the transit of Venus of 1639”. Proceedings of the International Astronomical Union. 2004: 3—26. S2CID162490754. doi:10.1017/S1743921305001225.
O'Connor, J. J.; Robertson, E. F. (јануар 2000). „Edmond Halley - Biography”. Maths History (на језику: енглески). Архивирано из оригинала 10. 8. 2020. г. Приступљено 2021-06-28.CS1 одржавање: Формат датума (веза)
O'Connor, J. J.; Robertson, E. F. (јануар 2000). „Edmond Halley - Biography”. Maths History (на језику: енглески). Архивирано из оригинала 10. 8. 2020. г. Приступљено 2021-06-28.CS1 одржавање: Формат датума (веза)
