Columbia subject headings:
Tuscany (Italy)--Economic conditions.
Tuscany (Italy)--Rural conditions.
Tuscany (Italy)--Social conditions.
Harvard subject headings:
Italy--History--1268-1492.
Tuscany (Italy)--Economic aspects--History.
Tuscany (Italy)--Economic conditions--To 1434.
Princeton subject headings:
Tuscany (Italy)--Economic conditions.
Tuscany (Italy)--Rural conditions.
Tuscany (Italy)--Social conditions.