Columbia subject headings:
Harvard subject headings:
Ansalaregina (Italy)--Antiquities.
Ansalaregina (Italy)--History.
Archaeology, Medieval.
Excavations (Archaeology)--Italy--Ferrara.
Ferrara (Italy)--Antiquities.
Ferrara (Italy)--History.
Italy--History--476-1492.
Middle Ages
Princeton subject headings:
Archaeology, Medieval.
Excavations (Archaeology)--Italy--Ferrara.
Ferrara (Italy)--Antiquities.
Italy--History--476-1492.
Middle Ages.