Nicholas Geoffrey Lemprière Hammond. Migrations and invasions in Greece and adjacent areas. Noyes Press, 1976. ISBN978-0-8155-5047-1. p. 54: "The line of division between Illyricum and the Greek area, 'Epirus Nova', in terms of Roman provincial administration ran somewhere between Scodra and Dyrrachium and then eastwards on the north side of the Shkumbi and Lake Ochrid"
