Columbia subject headings:
Castile (Spain)--History--711-1516.
Castile (Spain)--Politics and government.
Church and state--Spain.
Monarchy--Spain--Castile.
Spain--Kings and rulers.
Harvard subject headings:
Castile (Spain)--Politics and government.
Monarchy--Spain--Castile--History.
Prerogative, Royal--Spain--Castile.
Religion and politics--Spain--Castile--History.
Princeton subject headings:
Castile (Spain)--Politics and government--History.
Monarchy--Spain--Castile--History.
Prerogative, Royal--Spain--Castile.
Religion and politics--Spain--Castile--History.