Columbia subject headings:
Horsemanship.
Horsemen and horsewomen--Mexico.
Horses--Mexico.
Mexico--Social life and customs.
Harvard subject headings:
Horsemanship
Horsemen and horsewomen--Mexico.
Horses--Mexico.
Mexico--Social life and customs.
Princeton subject headings:
Horsemanship.
Horsemen and horsewomen--Mexico.
Horses--Mexico.
Mexico--Social life and customs.