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).
After the kings had passed by Nineveh, a great city of Adiabene, and after sacrificing victims in the middle of the bridge over the Anzaba and finding the omens favourable, had crossed full of joy, I judged that all the rest of the throng could hardly enter in three days; so I quickly returned to the satrap and rested, entertained with hospitable attentions.
Then I returned, again passing through deserted and solitary places, more quickly
Therefore at once swift horsemen were sent to Cassianus, commander in Mesopotamia, and to Euphronius, then governor of the province, to compel the peasants with their households and all their flocks to move to safer quarters, directing also that the city of Carrhae should quickly be abandoned, since the town was surrounded only by weak fortifications; and in addition that all the plains be set on fire, to prevent the enemy from getting fodder.