Bibliografia Normanno-Sveva
Birk Joshua C.
From Borderland to Borderlines: Narrating the Past of Twelfth-Century Sicily
storia
2005
Turnhout
Brepols
Passato,Tolleranza, Sicilia, Storiografia
in "Multicultural Europe and Cultural Exchange in the Middle Ages and Renaissance", ed. J.P. Helfers, pp. 9-32