Nicene and Post-Nicene Fathers: Series II/Volume III/Lives of Illustrious Men/Jerome/Optatus the bishop

the African, bishop of Milevis, during the reign of the Emperors Valentinianus and Valens, wrote in behalf of the Catholic party six books against the calumny of the Donatian party, in which he asserts that the crime of the Donatists is falsely charged upon the catholic party.