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).
To drive them back Barbatio was sent with a strong force; he had been promoted in place of Silvanus to be infantry commander. He was a coward but a fluent speaker, and having thoroughly roused the enthusiasm of the soldiers he utterly defeated a large number of the foe, so that only a small remnant, who for fear of danger had taken to flight, barely escaped and returned to their homes, not without tears and lamentations.