Columbia subject headings:
Biographies.
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.
Peace officers--West (U.S.)--Biography.
West (U.S.)--Biography.
West (U.S.)--History--1860-1890.
Harvard subject headings:
Biographies.
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.
Peace officers--West (U.S.)--Biography
West (U.S.)--Biography.
West (U.S.)--History--1860-1890.
Princeton subject headings:
Frontier and pioneer life--West (U.S.)
Hickok, Wild Bill, 1837-1876.
Peace officers--West (U.S.)--Biography.
West (U.S.)--Biography.
West (U.S.)--History--1860-1890.