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.
The following summer, the inhabitants of Dium on Athos revolted from the Athenians to the Chalcidians; and the Lacedaemonians settled the affairs of Achaia, which before had not been suitable to their views.