History of the Peloponnesian War

And the office of treasurers of Greece was then first established by the Athenians; who received the tribute, for so the contribution-money was called. The first tribute that was fixed was 460 talents. Their treasury was at Delos, and their meetings were held in the temple.

Now they led the allies at first as possessing independence, and deliberating in common councils; and executed, both in the field and in their administration of affairs, between this war and the Median, the following undertakings; which were achieved by them against the barbarian, and against their own innovating allies, and those of the Peloponnesians who from time to time came in contact with them in each matter.