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.

But before the Peloponnesian fleet had yet reached Pylos, Demosthenes managed to send out secretly ahead of them two ships which were to notify Eurymedon and the Athenian fleet at Zacynthus to come at once to his aid, as the place was in danger. And so the fleet proceeded in haste in compliance with Demosthenes' summons;