Columbia subject headings:
Harvard subject headings:
Copper industry and trade--Alaska--History--Bibliography.
Copper industry and trade--Alaska--History.
Copper industry and trade--Canada, Northern--History--Bibliography.
Copper industry and trade--Canada, Northern--History.
Indians of North America--Alaska--Bibliography.
Indians of North America--Alaska.
Indians of North America--Canada, Northern--Bibliography.
Indians of North America--Canada, Northern.
Indians of North America--Industries--Alaska--Bibliography.
Indians of North America--Industries--Alaska.
Indians of North America--Industries--Canada, Northern--Bibliography.
Indians of North America--Industries--Canada, Northern.
Princeton subject headings:
Copper industry and trade--Arctic regions--History--Bibliography.
Copper industry and trade--Arctic regions--History.
Copper industry and trade--Canada--History--Bibliography.
Copper industry and trade--Canada--History.
Indian metal-work--North America.