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.
between the camps of the two consul that no messenger, however active, could get through, and for some days both consuls were kept in ignorance of everything