Columbia subject headings:
Harvard subject headings:
Ecology--Italy--Vado Ligure.
Industrialization--Italy--Vado Ligure--History--20th century.
Industries--Italy--Vado Ligure--History--20th century.
Vado Ligure (Italy)--Economic conditions.
Vado Ligure (Italy)--Population.
Princeton subject headings:
Ecology--Italy--Vado Ligure.
Industrialization--Italy--Vado Ligure--History--20th century.
Industries--Italy--Vado Ligure--History--20th century.
Vado Ligure (Italy)--Economic conditions.
Vado Ligure (Italy)--Population.