* Amory, Patrick, "People and Identity in Ostrogothic Italy, 489-554", Cambridge University Press, 1997, ISBN 0-521-52635-3, p. 284, 288.
* Amory, Patrick, "People and Identity in Ostrogothic Italy, 489—554", Cambridge University Press, 1997, ISBN 0521526353, p. 284, 288.