Late Antiquity (illustrated, reprint ed.). John Wiley and Sons. ISBN 978-1118255315. Bowersock, Glen, Peter Brown, Oleg Grabar. Interpreting Late Antiquity:...
Late Antiquity (illustrated, reprint ed.). John Wiley and Sons. ISBN 978-1118255315. William Carroll Bark (1958). Origins of the Medieval World. ISBN 0-8047-0514-3...