1997, Victor Chapot and E. A. Parker, The Roman World, page 89:Further, this Italia was reduced in size by Sulla (in 81), if not earlier. All the northern districts had at first been administered directly by the magistrates of the city of Rome, but now we find prætores or proprætores of Cisalpine Gaul, which had come to rank as a province, separated from the rest of the country by the Arno on the side of the Tyrrhenian sea by the little stream of the Rubicon which flows into the Adriatic between Ravenna and Rimini.
