Columbia subject headings:
Hudson Bay--History.
Hudson's Bay Company.
North West Company.
Northwest, Canadian--History.
Harvard subject headings:
Hudson Bay--History.
Hudson's Bay Company
North West Company
Northwest, Canadian--History.
Whitman College--Special collections--Elliott-Davies Collection
Princeton subject headings:
Hudson Bay--History.
Hudson's Bay Company.
North West Company.
Northwest, Canadian--History--Sources.