Columbia subject headings:
Castile (Spain)--Court and courtiers--History.
Spain. Consejo Real de Castilla--History.
Harvard subject headings:
Castile (Spain)--Court and courtiers--History.
Spain. Consejo Real de Castilla--History.
Princeton subject headings:
Castile (Spain)--Court and courtiers--History.
Spain. Consejo Real de Castilla--History.