Columbia subject headings:
Castile (Spain)--History--John II, 1406-1454.
Juan II, King of Castile and Leon, 1405-1454.
Harvard subject headings:
Castile (Spain)--History--John II, 1406-1454.
Juan II, King of Castile and Leon, 1405-1454.
Princeton subject headings:
Castile (Spain)--History--John II, 1406-1454.
Juan II, King of Castile and Leon, 1405-1454.