Columbia subject headings:
Cattle trade--West (U.S.)--History.
Cowboys--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
West (U.S.)--History.
Harvard subject headings:
Cattle trade--West (U.S.)--History.
Cowboys--West (U.S.)--History
Frontier and pioneer life--West (U.S.)
West (U.S.)--History.
Princeton subject headings:
Cattle trade--West (U.S.)--History.
Cowboys--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
West (U.S.)--History.