Columbia subject headings:
Harvard subject headings:
Architecture, Medieval.
Art, Medieval--Spain--Catalonia.
Catalonia (Spain)--Antiquities.
Excavations (Archaeology)--Spain--Catalonia
Princeton subject headings:
Architecture, Medieval.
Art, Medieval--Spain--Catalonia.
Catalonia (Spain)--Antiquities.
Excavations (Archaeology)--Spain--Catalonia.