Columbia subject headings:
Harvard subject headings:
Adventure and adventurers--West (U.S.)
Frontier and pioneer life--West (U.S.)
Pioneers--West (U.S.)
West (U.S.)--Biography.
West (U.S.)--Description and travel.
West (U.S.)--History--19th century--Sources.
Princeton subject headings:
Adventure and adventurers--West (U.S.).
Frontier and pioneer life--West (U.S.)
West (U.S.)--Biography.
West (U.S.)--Description and travel.
West (U.S.)--History--19th century--Sources.