Columbia subject headings:
Cartography--Hudson Bay Region.
Hudson's Bay Company--Maps.
Harvard subject headings:
Canada--Historical geography--Maps--Catalogs.
Canada--Historical geography--Maps.
Cartography--Canada--History.
Cartography--Hudson Bay Region.
Hudson's Bay Company
Hudson's Bay Company--Map collections.
Hudson's Bay Company--Maps.
Princeton subject headings:
Canada--Historical geography--Maps--Catalogs.
Canada--Historical geography--Maps.
Cartography--Canada--History.
Hudson's Bay Company--Map collections.
Hudson's Bay Company--Maps.