Columbia subject headings:
Harvard subject headings:
Colbertaldo (Italy)--Economic conditions.
Colbertaldo (Italy)--History.
Colbertaldo (Italy)--Social life and customs.
Vidor (Italy)--Economic conditions.
Vidor (Italy)--History.
Vidor (Italy)--Social life and customs.
Princeton subject headings:
Colbertaldo (Italy)--Economic conditions.
Colbertaldo (Italy)--History.
Colbertaldo (Italy)--Social life and customs.
Vidor (Italy)--Economic conditions.
Vidor (Italy)--History.
Vidor (Italy)--Social life and customs.