Columbia subject headings:
Ashley, William Henry, 1778-1838.
Fur trade--West (U.S.)--History.
Legislators--United States--Biography.
Overland journeys to the Pacific.
Pioneers--West (U.S.)--Biography.
United States. Congress. House--Biography.
West (U.S.)--Discovery and exploration.
Harvard subject headings:
Ashley, William Henry, 1778-1838.
Fur trade--West (U.S.)--History.
Legislators--United States--Biography
Overland journeys to the Pacific.
Pioneers--West (U.S.)--Biography
United States. Congress. House--Biography.
West (U.S.)--Discovery and exploration.
Princeton subject headings:
Ashley, William Henry, 1778-1838.
Fur trade--West (U.S.)--History.
Legislators--United States--Biography.
Overland journeys to the Pacific.
Pioneers--West (U.S.)--Biography.
United States. Congress. House--Biography.
West (U.S.)--Discovery and exploration.