Columbia subject headings:
Florence (Italy)--Economic conditions--Congresses.
Florence (Italy)--History--1421-1737--Congresses.
Florence (Italy)--History--To 1421--Congresses.
Pisa (Italy)--Economic conditions--Congresses.
Pisa (Italy)--History--To 1509--Congresses.
Power (Social sciences)--Italy--Tuscany--History--To 1500--Congresses.
Harvard subject headings:
Florence (Italy)--History--1421-1737--Congresses.
Florence (Italy)--History--To 1421--Congresses.
Pisa (Italy)--History--To 1509--Congresses.
Power (Social sciences)--Italy--Tuscany--History--To 1500--Congresses.
Tuscany (Italy)--History--Congresses.
Princeton subject headings:
Florence (Italy)--History--To 1421--Congresses.
Pisa (Italy)--History--To 1509--Congresses.