Columbia subject headings:
Genoa (Italy)--History--To 1339.
Italy--History--1268-1492.
Milan (Italy)--History--To 1535.
Harvard subject headings:
City-states--Italy--History--To 1500.
Communication in politics--Italy--History--To 1500.
Communication--Political aspects--Italy--History--To 1500.
Italy--History--476-1492.
Local government--Italy--History--To 1500.
Municipal government--Italy--History--To 1500.
Political participation--Italy--History--To 1500.
Princeton subject headings:
Genoa (Italy)--History--To 1339.
Italy--History--1268-1492.
Milan (Italy)--History--To 1535.