Saint Augustine, Confessions.Henry Chadwick, trans. New York: Oxford University Press, 1992.

Chadwick, Henry. Augustine.New York: Oxford University Press, Past Masters Series, 1986.

Gilson, E. The Philosophy of Saint Augustine.L.E.M. Lynch, trans. London: Random House, 1960.

Brown, Peter. Augustine of Hippo: a Biography.Berkeley: University of California Press, 1967.

Burnaby, John. Amor Dei: a Study of the Religion of Saint Augustine. London: Hodder and Stoughton, 1938.

Porphyry. Life of Plotinus.A.H. Armstrong, trans. London: Loeb Classical Library.