Columbia subject headings:
Agriculture--Italy--Rombiolo--History.
Rombiolo (Italy)--Economic conditions.
Rombiolo (Italy)--History.
Rombiolo (Italy)--Social conditions.
Harvard subject headings:
Agriculture--Italy--Rombiolo--History.
Rombiolo (Italy)--Economic conditions.
Rombiolo (Italy)--History.
Rombiolo (Italy)--Social conditions.
Princeton subject headings:
Agriculture--Italy--Rombiolo--History.
Rombiolo (Italy)--Economic conditions.
Rombiolo (Italy)--History.
Rombiolo (Italy)--Politics and government.