History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
Being thrown into consternation, great numbers of the Chaonians were slain; and when the rest of the barbarians saw them giving way, they no longer stood their ground, but took to flight.