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.
moreover he guarded the city, and as far as he could kept it free from disturbances. He did, however, constantly send out detachments of cavalry to prevent flying parties from the main army from raiding the fields near the city and ravaging them; and there was a cavalry skirmish at Phrygia between a company of Athenian horsemen, assisted by some Thessalians, and the Boeotian cavalry, in which the Athenians and Thessalians fully held their own, until their heavy infantry came to the support of the Boeotians, when they were routed. A few of the Thessalians and the Athenians were killed, but their bodies were recovered the same day without a truce;
and on the next day the Peloponnesians set up a trophy. This auxiliary force of the Thessalians was sent to the Athenians in accordance with an ancient alliance,[*](1.102.4.) and those who came were Larisaeans, Pharsalians, Crannonians, Pyrasians, Gyrtonians, and Pheraeans. And their leaders were, from Larissa, Polymedes and Aristonous, each representing his own faction, and from Pharsalus Menon; and the others had their own commander city by city.
The Peloponesians, on the other hand, when the Athenians did not come out to do battle with them broke up their camp at Acharnae and ravaged some of the demes which lie between Mt. Parnes and Mt. Brilessus.[*](More generally known as Pentelicus, so called from the deme Pentele on its southern slope.)
But while they were still in their territory the Athenians sent out on an expedition round the Peloponnesus the hundred ships[*](2.17.4.) which they had been equipping, and on them a thousand hoplites and four hundred archers; and the generals in command were Carcinus son of Xenotimus, Proteas son of Epicles, and Socrates son of Antigenes.
So they set sail with this force and began their cruise; the Peloponnesians, on the other hand, remained in Attica for as long a time as they were provisioned and then withdrew through Boeotia, taking a different route from that by which they had entered Attica. They passed by Oropus and laid waste the district called Graice,[*](Named after the ancient town of Γραῖα (Hom. Il. 2.498).) which the Oropians occupy as subjects of the Athenians.[*](This was written before 412/11, when Oropus was captured by the Boeotians.) Then on their return to the Peloponnesus they were dismissed to their several cities.