Columbia subject headings:
Harvard subject headings:
Grain trade--Italy--Laveno--History--18th century.
Grain trade--Italy--Laveno--History--19th century.
Laveno (Italy)--Economic conditions--18th century.
Laveno (Italy)--Economic conditions--19th century.
Princeton subject headings:
Food supply--Law and legislation--Italy--Laveno--History.
Grain trade--Italy--Laveno--History.
Laveno (Italy)--Economic conditions.