Milo Keynes - Balancing Newton's mind: his singular behaviour and his madness of 1692–93 Keynes, M. (20 September 2008). "The Royal Society, Records and Notes (journal)". Notes Rec. R. Soc. 62 (3): 289–300. doi:10.1098/rsnr.2007.0025. PMID19244857.
Mercury Poisoning: A Probable Cause of Isaac Newton's Physical and Mental Ills - L. W. Johnson and M. L. Wolbarsht - Notes and Records of the Royal Society of London - Vol. 34, No. 1 (July 1979), pp. 1-9 (article consists of 9 pages) JSTORArchived 22 September 2018 at the Wayback Machine. Retrieved 28 January 2012
Milo Keynes - Balancing Newton's mind: his singular behaviour and his madness of 1692–93 Keynes, M. (20 September 2008). "The Royal Society, Records and Notes (journal)". Notes Rec. R. Soc. 62 (3): 289–300. doi:10.1098/rsnr.2007.0025. PMID19244857.
Mercury Poisoning: A Probable Cause of Isaac Newton's Physical and Mental Ills - L. W. Johnson and M. L. Wolbarsht - Notes and Records of the Royal Society of London - Vol. 34, No. 1 (July 1979), pp. 1-9 (article consists of 9 pages) JSTORArchived 22 September 2018 at the Wayback Machine. Retrieved 28 January 2012