Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
All of this together struck panic into the barbarians, and the Delphians, perceiving that they fled, descended upon them and killed a great number. The survivors fled straight to Boeotia (department), Central Greece and Euboea, Greece, Europe Boeotia. Those of the barbarians who returned said (as I have been told) that they had seen other divine signs besides what I have just described: two men-at-arms of stature greater than human,they said, had come after them, slaying and pursuing.
These two, say the Delphians, were the native heroes Phylacus and Autonous, whose precincts are near the temple, Phylacus' by the road itself above the shrine of Athena Pronaea, and Autonous' near the Castalian spring, under the Hyarapean Peak.