Columbia subject headings:
Harvard subject headings:
Christmas Valley Region (Or.)--History.
Farm life--Oregon--Christmas Valley Region--History--20th century.
Farm life--Oregon--Fort Rock Valley--History--20th century.
Fort Rock Valley (Or.)--History.
Princeton subject headings:
Christmas Valley Region (Or.)--History.
Farm life--Oregon--Christmas Valley Region--History--20th century.
Farm life--Oregon--Fort Rock Valley--History--20th century.
Fort Rock Valley (Or.)--History.