Columbia subject headings:
Architecture and state--History--Congresses.
Power (Social sciences) in art--Congresses.
Harvard subject headings:
Architecture and state--Spain--Congresses.
Art and society--Congresses
Art and state--Spain--Congresses.
Art, Spanish--Congresses.
Art--Spain--History--Congresses.
Power (Social sciences) in art--Congresses.
Princeton subject headings:
Architecture and state--History--Congresses.
Power (Social sciences) in art--Congresses.