Columbia subject headings:
Harvard subject headings:
Italy--Politics and government--1268-1559.
Italy--Politics and government--476-1268.
Roads--Italy--History--To 1500.
Roads--Italy--Tuscany--History--To 1500.
Transportation and state--Italy--History--To 1500.
Transportation and state--Italy--Tuscany--History--To 1500.
Tuscany (Italy)--Politics and government.
Princeton subject headings:
Italy--History--476-1492.
Roads--Italy--Tuscany--History.
Transportation and state--Italy--Tuscany--History.