Columbia subject headings:
Harvard subject headings:
Children--West (U.S.)--History--19th century.
Children--West (U.S.)--Social conditions.
Frontier and pioneer life--West (U.S.)
West (U.S.)--History--1848-1860.
West (U.S.)--History--1860-1890.
West (U.S.)--History--1890-1945.
West (U.S.)--History.
Princeton subject headings:
Children--West (U.S.)--History--19th century.
Children--West (U.S.)--Social conditions.
Frontier and pioneer life--West (U.S.)
West (U.S.)--History--19th century.