Columbia subject headings:
Harvard subject headings:
Castile (Spain)--Civilization.
Castile (Spain)--History.
Princeton subject headings:
Arts, Medieval--Spain--Castile.
Arts, Spanish--Spain--Castile.
Castile (Spain)--Civilization--Study and teaching--Methodology.
Castile (Spain)--Civilization.
Castile (Spain)--Ethnic relations.