Columbia subject headings:
Agricultural contracts--Italy--History--To 1500.
Agriculture--Economic aspects--Italy--History--To 1500.
Italy--Rural conditions.
Peasants--Italy--History--To 1500.
Harvard subject headings:
Agricultural contracts--Italy--History--To 1500.
Agriculture--Economic aspects--Italy--History--To 1500.
Italy--History--1268-1492.
Italy--Rural conditions.
Peasants--Italy--History--To 1500.
Princeton subject headings:
Agricultural contracts--Italy--History--To 1500.
Agriculture--Economic aspects--Italy--History--To 1500.
Italy--Rural conditions.
Peasants--Italy--History--To 1500.