Columbia subject headings:
Harvard subject headings:
Coinage--History--To 1500.
Metallurgy--History--To 1500.
Mineral industries--History--To 1500.
Mines and mineral resources--History--To 1500.
Mints--History--To 1500.
Nonferrous metals--History--To 1500.
Precious metals--History--To 1500.
Princeton subject headings:
Coinage--History--To 1500.
Metallurgy--History--To 1500.
Mineral industries--History--To 1500.
Mines and mineral resources--History--To 1500.
Mints--History--To 1500.
Nonferrous metals--History--To 1500.
Precious metals--History--To 1500.