Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
The Thracians have many names, each tribe according to its region, but they are very similar in all their customs, save the Getae, the Trausi, and those who dwell above the Crestonaeans.