Columbia subject headings:
Indians of North America--West (U.S.)
Oregon--Description and travel.
Overland journeys to the Pacific.
Rocky Mountains--Description and travel.
West (U.S.)--Description and travel.
Harvard subject headings:
Indians of North America--West (U.S.)
Oregon--Description and travel.
Overland journeys to the Pacific
Rocky Mountains--Description and travel.
West (U.S.)--Description and travel.
Princeton subject headings:
Indians of North America--West (U.S.)
Oregon--Description and travel.
Overland journeys to the Pacific.
Rocky Mountains--Description and travel.
West (U.S.)--Description and travel.