Columbia subject headings:
Cavalry--Spain--History--14th century.
Confraternities--Spain--History--14th century.
Monarchy--Spain--History--To 1500.
Spain--Civilization--711-1516.
Harvard subject headings:
Knights and knighthood--Spain--History.
Middle Ages.
Spain--History--711-1516.
Princeton subject headings:
Knights and knighthood--Spain--History.
Middle Ages.
Spain--History--711-1516.