Columbia subject headings:
Harvard subject headings:
Castilla y León (Spain)--Church history.
Cathedral libraries--Spain--Castilla y León--History.
Catholic Church--Clergy--Training of--Spain--Castilla y León.
Catholic Church--Education--Spain--Castilla y León--History.
Education, Medieval--Spain--Castilla y León.
Princeton subject headings:
Castile (Spain)--Church history.
Cathedral libraries--Spain--Castile--History.
Catholic Church--Clergy--Training of--Spain--Castile--History.