Bullion, John L. (2004). "Augusta, princess of Wales (1719–1772)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/46829. Retrieved 17 September 2008 (Subscription required): "George III adopted the moral standards she tried to teach."
Peters, Timothy J.; Wilkinson, D. (2010). "King George III and porphyria: a clinical re-examination of the historical evidence". History of Psychiatry. 21 (1): 3–19. doi:10.1177/0957154X09102616. PMID21877427. S2CID22391207.
Peters, Timothy J.; Wilkinson, D. (2010). "King George III and porphyria: a clinical re-examination of the historical evidence". History of Psychiatry. 21 (1): 3–19. doi:10.1177/0957154X09102616. PMID21877427. S2CID22391207.
Bullion, John L. (2004). "Augusta, princess of Wales (1719–1772)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/46829. Retrieved 17 September 2008 (Subscription required): "George III adopted the moral standards she tried to teach."
Peters, Timothy J.; Wilkinson, D. (2010). "King George III and porphyria: a clinical re-examination of the historical evidence". History of Psychiatry. 21 (1): 3–19. doi:10.1177/0957154X09102616. PMID21877427. S2CID22391207.
slate.com
Newman, Brooke (28 July 2020). "Throne of Blood". slate.com. Slate. Retrieved 21 August 2021.