History of the Peloponnesian War
Thucydides
Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.
On the way back as he sailed along the coast he put in at Notium, the port of the Colophonians, where the Colophonians had settled when the upper town had been taken by Itamenes and the barbarians,[*](ie. the Persians. Itamenes is otherwise unknown.) who had been called in on account of party discord by one of the factions. And this place had been taken about the time when the second Peloponnesian invasion of Attica was made.[*](In the spring of 43 B.C.)
Now those who had fled for refuge to Notium and settled there again fell into sedition. One party called in mercenaries, both Arcadian and barbarian, whom they had obtained from Pissuthnes, and kept them in a space walled off from the rest of the city, and the Colophonians from the upper town who were in sympathy with the Persians joined them there and were admitted to citizenship;