1. Michael Brett and Elizabeth Fentress, The Berbers (Oxford: Blackwell Publishers, 1996), 50.
2. Trudy Ring, Adele Hast and Paul Challenger, International Dictionary of Historic Places. Volume V: Middle East and Africa (London: Routledge, 1996), 466.
3. Augustine, Confessions, Book III, trans. and ed. R. S. Pine-Coffin (Baltimore, MD: Penguin, 1961), 55–6.
4. Augustine, The City of God: Against the Pagans, trans. and ed. J. W. C. Wand (London: Oxford University Press, 1963), 26–7.