Abstract: An analysis of Augustine's works written before 403 shows that his primary citations of John in all cases follow an Old Latin text-type. This is particularly notable in De diuersis quaestionibus 64 and De trinitate 1; the latter is based on a different biblical codex from the rest of the work. Readings unique to Augustine, several of which form part of his mental text, are already in evidence in this early period. In Contra Faustum and Contra Adimantum, Augustine reproduces distinctive features from the text of his opponents; this is also true of his work against Petilianus the Donatist.

Keywords: Gospel, John, Augustine, citation, De trinitate, Faustus, Manichee, biblical text, African, Old Latin, Donatist,