Columbia subject headings:
Art, Romanesque--Spain--Congresses.
Art, Spanish--Congresses.
Castile (Spain)--History--Alfonso VIII, 1158-1214.
Spain--Civilization--711-1516--Congresses.
Harvard subject headings:
Alfonso VIII, King of Castile, 1155-1214--Congresses.
Spain--Civilization--711-1516--Congresses.
Princeton subject headings: