Bibliografia Normanno-Sveva
Johnson Ewan
The process of Norman exile into southern Italy
storia
2004
Turnhout
Brepols
Esilio, Mezzogiorno, Normandia, Identità
"Exile in the middle ages": Selected proceedings from the international medieval congress, university of Leeds, 8-11 july 2002, (edd.) L. Napran - E. Van Houts, pp. 29-38
International Medieval Research, 13