Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
The tombs stand on the spots where each fell; those of the Romans close together, in the direction of Alba; the three Alban tombs, at intervals, in the direction of Rome.
Before the armies separated, Mettius inquired what commands he was to receive in accordance with the terms of the treaty. Tullus ordered him to keep the Alban soldiery under arms, as he would require their services if there were war with the Veientines.