Columbia subject headings:
Harvard subject headings:
Fort Chipewyan (Alta.)--History--Congresses.
Fort Vermilion (Alta.)--History--Congresses.
Frontier and pioneer life--Alberta--Fort Chipewyan--Congresses.
Frontier and pioneer life--Alberta--Fort Vermilion--Congresses.
Fur trade--Alberta--History--Congresses.
Princeton subject headings:
Fort Chipewyan (Alta.)--History--Congresses.
Fort Vermilion (Alta.)--History--Congresses.
Indians of North America--Alberta--Congresses.