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 Third Class he formed of those whose property fell as low as 50,000 lbs.; these also consisted of twenty centuries, similarly divided into seniors and juniors. The only difference in the armour was that they did not wear greaves.

In the Fourth Class were those whose property did not fall below 25,000 lbs.