Columbia subject headings:
Fur trade--United States--History.
Fur traders--Massachusetts--Boston.
Indians of North America--Northwest Coast of North America.
Northwest Coast of North America--Description and travel.
Harvard subject headings:
Fur trade--United States--History.
Fur traders--Massachusetts--Boston.
Indians of North America--Northwest Coast of North America.
Northwest Coast of North America--Description and travel.
Princeton subject headings:
Fur trade--United States--History.
Fur traders--Massachusetts--Boston.
Indians of North America--Northwest Coast of North America.
Merchant marine--New England--History.
Northwest Coast of North America--Description and travel.