I’ve reviewed the collected volume ‘Networks of Bishops, Networks of Texts: Manuscripts, Legal Culture, Tools of Government in Carolingian Italy at the Time of Lothar I’ edited by Gianmarco De Angelis and Franceso Veronese for the journal Early Medieval Europe. If you’re interested in early medieval Italy and manuscripts it’s definitely worth checking out. There are a handful of articles that provide great insights into the connections between Carolingian Italy and the rest of the empire north of the Alps, through the careful study of manuscripts.

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