Columbia subject headings:
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.
Harvard subject headings:
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.
Princeton subject headings:
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.