Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
From another direction Barbatio, who had been promoted after Silvanus’ death to the command of the infantry, came from Italy at the emperor’s order with twenty-five thousand soldiers to Augst.