Columbia subject headings:
Agriculture--West (U.S.)--History.
Farm life--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
Ranch life--West (U.S.)--History.
Harvard subject headings:
Agriculture--West (U.S.)--History.
Farm life--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
Ranch life--West (U.S.)--History.
Princeton subject headings:
Agriculture--West (U.S.)--History.
Farm life--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
Ranch life--West (U.S.)--History.