Edward Gibbon (2016). “The Collected Works of Edward Gibbon: Historical Works, Autobiographical Writings and Private Letters, Including The History of the Decline and Fall of the Roman Empire”, p.3359, e-artnow
Edward Gibbon, J. B. Bury (2013). “The History of the Decline and Fall of the Roman Empire: Edited in Seven Volumes with Introduction, Notes, Appendices, and Index”, p.257, Cambridge University Press