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.

Having done these things and appointed a governor at Cos, when it was already nearing autumn he returned to Samos. As for Tissaphernes, on hearing that the Peloponnesian fleet had sailed from Miletus to the Hellespont, he broke up his camp at Aspendus and set out for Ionia.

For while the Peloponnesians were in the Hellespont, the Antandrians, who are Aeolians, had brought some hoplites from Abydus overland by way of Mount Ida and introduced them into their city, since they were being unjustly treated by Arsaces the Persian, lieutenant of Tissaphernes.