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.
The war against the Athenians and their allies both parties shall wage in common;
and if they make peace, both shall make it in common. "4. Whatsoever forces shall be in the territory of the King, on the summons of the King, shall be maintained at the expense of the King. “5.