Columbia subject headings:
Architecture--Spain--Catalonia--History--20th century.
Architecture--Spain--Catalonia.
Nationalism and architecture--Spain--Catalonia.
Harvard subject headings:
Architecture, Modern--20th century--Spain--Catalonia.
Architecture--Spain--Catalonia.
Nationalism and architecture--Spain--Catalonia.
Princeton subject headings:
Architecture, Modern--20th century--Spain--Catalonia.
Architecture--Spain--Catalonia.
Nationalism and architecture--Spain--Catalonia.