Columbia subject headings:
Harvard subject headings:
Alonso, de Aragón, 1415-1485.
Aragon (Spain)--Biography.
Aragon (Spain)--History--John II, 1458-1479.
Knights and knighthood--Spain--Aragon--Biography.
Soldiers--Spain--Aragon--Biography.
Princeton subject headings:
Alonso, de Aragón, 1415-1485.
Aragon (Spain)--History--John II, 1458-1479.