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.
Word was also sent round to the states of the Peloponnesus, summoning them to come to the relief of Pylos as quickly as possible, and also to the sixty ships that were at Corcyra.[*](cf. 4.2.3.) These were hauled across the Leucadian isthmus, and without being discovered by the Attic ships, which were now at Zacynthus, reached Pylos, where their land forces had already arrived.