Augustine, The City of God, v.23. Orosius, l. vii. c. 37, p. 567-571. The two friends wrote in Africa ten or twelve years after the victory, and their authority is implicitly followed by Isidore of Seville (in Chron. p. 713, edit. Grot.). How many interesting facts might Orosius have inserted in the vacant space which is devoted to pious nonsense!