Jeremy Taylor, Charles Page Eden, Reginald Heber, Alexander Taylor (1856). “The Whole Works of the Right Rev. Jeremy Taylor ...: Clerus domini. Office ministerial. Discourse of friendship. Rules and advices to the clergy. Heber's Life of Bp. Taylor, and indexes to the ten volumes”, p.77
Edward Gibbon, J. B. Bury (2012). “The History of the Decline and Fall of the Roman Empire: Edited in Seven Volumes with Introduction, Notes, Appendices, and Index”, p.298, Cambridge University Press
Edward Gibbon (2016). “THE HISTORY OF THE DECLINE AND FALL OF THE ROMAN EMPIRE (All 6 Volumes): From the Height of the Roman Empire, the Age of Trajan and the Antonines - to the Fall of Byzantium; Including a Review of the Crusades, and the State of Rome during the Middle Ages”, p.1717, e-artnow