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.

"Each party shall erect a pillar, that in Lacedaemon by the temple of Apollo of Amyclae, that at Athens on the Acropolis by the temple of Athena. 6.

"If it shall seem good to the Lacedaemonians and Athenians to add or take away anything pertaining to the alliance, it shall be consistent with the oaths of both to do whatever may seem good to both.