Columbia subject headings:
Art, Medieval--Spain--Catalonia--History--Congresses.
Art--Conservation and restoration--Spain--Catalonia--History--Congresses.
Institut d'Estudis Catalans--History--Congresses.
Harvard subject headings:
Princeton subject headings:
Art, Medieval--Spain--Catalonia--History--Congresses.
Art--Conservation and restoration--Spain--Catalonia--History--Congresses.
Institut d'Estudis Catalans--History--Congresses.