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« <sc>Barbara M. Kreutz</sc>. <italic>Before the Normans: Southern Italy in the Ninth and Tenth Centuries</italic>. (Middle Ages.) Philadelphia: University of Pennsylvania Press. 1991. Pp. xxxi, 228. $29.95 », The American Historical Review, (ISSN1937-5239, DOI10.1086/ahr/98.2.480, lire en ligne, consulté le )
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« <sc>Barbara M. Kreutz</sc>. <italic>Before the Normans: Southern Italy in the Ninth and Tenth Centuries</italic>. (Middle Ages.) Philadelphia: University of Pennsylvania Press. 1991. Pp. xxxi, 228. $29.95 », The American Historical Review, (ISSN1937-5239, DOI10.1086/ahr/98.2.480, lire en ligne, consulté le )