Columbia subject headings:
Harvard subject headings:
Castile (Spain)--History--Henry III, 1390-1406.
Álvarez de Toledo, Gutierre, 1376-1446.
Princeton subject headings:
Álvarez de Toledo, Gutierre, 1376-1446.
Castile (Spain)--History--Henry III, 1390-1406.
Castile (Spain)--History--John II, 1406-1454.