Columbia subject headings:
Architecture, Domestic--Spain--Catalonia.
Architecture--Spain--Catalonia--History--19th century.
Architecture--Spain--Catalonia--History--20th century.
Modernism (Art)--Spain--Catalonia.
Harvard subject headings:
Architecture, Domestic--Spain--Catalonia.
Architecture, Modern--19th century--Spain--Catalonia.
Architecture, Modern--20th century--Spain--Catalonia.
Modernism (Art)--Spain--Catalonia.
Princeton subject headings: