Columbia subject headings:
Frontier and pioneer life--Arizona--Tombstone.
Frontier and pioneer life--West (U.S.)
Montgomery, John, 1830-
Pioneers--West (U.S.)--Biography.
Tombstone (Ariz.)--History.
West (U.S.)--Biography.
West (U.S.)--History--1848-1860.
Harvard subject headings:
Frontier and pioneer life--Arizona--Tombstone
Frontier and pioneer life--West (U.S.)
Montgomery, John, 1830-
Pioneers--West (U.S.)--Biography
Tombstone (Ariz.)--History.
West (U.S.)--Biography.
West (U.S.)--History--1848-1860.
West (U.S.)--History--1860-1890.
West (U.S.)--History--1890-1945.
Princeton subject headings:
Frontier and pioneer life--Arizona--Tombstone.
Frontier and pioneer life--West (U.S.)
Montgomery, John, 1830-
Pioneers--West (U.S.)--Biography.
Tombstone (Ariz.)--History.
West (U.S.)--Biography.
West (U.S.)--History--19th century.