Columbia subject headings:
Metallurgy--Italy--Piedmont--History--To 1500.
Metallurgy--Italy--Valle d'Aosta--History--To 1500.
Mines and mineral resources--Italy--Piedmont--History--To 1500.
Mines and mineral resources--Italy--Valle d'Aosta--History--To 1500.
Harvard subject headings:
Archaeological geology--Italy.
Archaeology, Medieval--Italy.
Italy--Antiquities.
Metallurgy--Italy--History--To 1500.
Mines and mineral resources--Italy--History--To 1500.
Princeton subject headings: