Columbia subject headings:
Harvard subject headings:
Cattle breeders--Wyoming--Biography.
Frewen, Moreton, 1853-1924--Journeys--Wyoming.
Frewen, Moreton, 1853-1924--Travel--Wyoming.
Powder River Valley (Wyo. and Mont.)--History.
Princeton subject headings:
Frewen, Moreton, 1853-1924.