Columbia subject headings:
Art and society.
Copper industry and trade--Chile--History.
Copper--Chile--History.
Copper--Social aspects.
Harvard subject headings:
Art and society
Copper industry and trade--Chile--History.
Copper--Chile--History.
Copper--Social aspects.
Princeton subject headings:
Art and society.
Copper industry and trade--Chile--History.
Copper--Chile--History.
Copper--Social aspects.