Columbia subject headings:
Cavalry--Spain--History.
Chivalry.
Horses--Health--Spain--16th century.
Spain--History, Military--16th century.
Spain--History--House of Austria, 1516-1700.
Spain--Social life and customs--16th century.
Harvard subject headings:
Cavalry drill and tactics--Early works to 1800.
Horsemanship--Early works to 1800
Princeton subject headings:
Cavalry drill and tactics--Early works to 1800.
Horsemanship--Early works to 1800.