Columbia subject headings:
Architecture--Spain--Barcelona--History--20th century.
Lost architecture--Spain--Barcelona.
Modern movement (Architecture)--Spain--Barcelona.
Harvard subject headings:
Architecture--Spain--Barcelona--History.
Lost architecture--Spain--Barcelona.
Modern movement (Architecture)--Spain--Barcelona.
Princeton subject headings:
Architecture--Spain--Barcelona--History--20th century.
Lost architecture--Spain--Barcelona.
Modern movement (Architecture)--Spain--Barcelona.