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.
Of the garrison some were killed, and two hundred taken: of the rest the greater part got on board their ships, and returned home.
Delium having thus been taken on the fifteenth day after the battle, and the Athenian herald, without knowing any thing that had happened, having soon after come again respecting the bodies, the Boeotians restored them, and no longer made the same answer as before.
There fell in the engagement, of the Boeotians, not quite five hundred; of the Athenians, not quite a thousand, and Hippocrates the general; but of light-armed and camp-followers a great number.
A short time after this battle, Demosthenes, having had no success with regard to Siphae being betrayed to him, when he sailed thither at that time, and having still on board his ships the Acarnanian and Agraean forces, with four hundred Athenian heavy-armed, made a descent on the territory of
Sicyon. But before all his ships reached the shore, the Sicyonians came against them, and routed those that had landed, and drove them back to their vessels, killing some, and taking others prisoners. Having erected a trophy, they restored the dead under
truce. It was also about the same time as the affair at Delium, that Sitalces, king of the Odrysse, died, after making an expedition against the Triballi, and being defeated in battle; and Seuthes son of Sparadocus, his nephew, succeeded to the kingdom of the Odrysae, and the other parts of Thrace, over which Sitalces had reigned.
The same winter, Brasidas with his allies Thrace-ward marched against Amphipolis, the Athenian colony on the river Strymon.