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.
On their arrival, the Athenians arrested as revolutionists both the ambassadors and all who were persuaded by them, and lodged them in custody in Aegina.
In the mean time, on the arrival of a Corinthian ship and some Lacedaemonian envoys, the dominant party of the Corcyraeans attacked the commonalty, and defeated them in battle.