Tolong jelaskan mengenai Sumber dari Pompeius Probus

Arnold Hugh Martin Jones, John Robert Martindale, John Morris, "Pompeius Probus 6", Prosopography of the Later Roman Empire, volume 1, Cambridge University Press, 1971, , p. 740.

Lieu, Samuel N., and Dominic Montserrat eds., From Constantine to Julian: A Source History, Routledge, 1995, , p. 53.

"Faltonia Proba", The Catholic Encyclopedia, Volume XII, 1911, New York, Robert Appleton Company.