RT Book T1 Tractatus duo De utilitate credendi ad Honoratum, et De unitate Ecclesiae contra Petiliani Constant. episc. donatist. epistolam, notis atque analysi illustr. studio Justi Baronii A2 Baronius, Justus 1570-1627 LA Undetermined PP Moguntiae PB [publisher not identified] YR 1764 UL https://ixtheo.de/Record/1827202920 NO Edition K1 Augustinus, Aurelius : Heiliger : 354-430 : De utilitate credendi