Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Italy--Lombardy--History.
Land use--Italy--Lombardy--History.
Lombardy (Italy)--Economic conditions.
Princeton subject headings:
Agriculture--Economic aspects--Italy--Lombardy--History--16th century.
Agriculture--Economic aspects--Italy--Lombardy--History--17th century.
Agriculture--Economic aspects--Italy--Lombardy--History--To 1500.
Agriculture--Italy--Lombardy--History--16th century.
Agriculture--Italy--Lombardy--History--17th century.
Agriculture--Italy--Lombardy--History--To 1500.