Columbia subject headings:
Economic history--Medieval, 500-1500.
Feudalism--Italy--Tuscany.
Tuscany (Italy)--History--To 1434.
Harvard subject headings:
Economic history--Medieval, 500-1500
Feudalism--Italy--Tuscany.
Tuscany (Italy)--History--To 1434.
Princeton subject headings:
Economic history--Medieval, 500-1500.
Feudalism--Italy--Tuscany.
Tuscany (Italy)--History--To 1434.