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Medieval metropolises : proceedings of the congress of the Atlas Working Group, International Commission for the History of Towns, Bologna 8 - 10 maggio 1997 = Metropoli medievali
Casalecchio di Reno : Grafis, 1999
Enthalten in: Attraverso le città italiane
UB Heidelberg , Kunsthistorisches Institut Florenz , Bibliotheca Hertziana , Kubikat