Columbia subject headings:
Gaudí, Antoni, 1852-1926--Catalogs.
Harvard subject headings:
Architecture, Domestic--Spain--Catalonia.
Architecture--Spain--Catalonia--19th century.
Architecture--Spain--Catalonia--20th century.
Art nouveau (Architecture)--Spain--Catalonia.
Eclecticism in architecture--Spain--Catalonia.
Gaudí, Antoni, 1852-1926--Criticism and interpretation.
Princeton subject headings:
Catalogs.
Gaudí, Antoni, 1852-1926--Catalogs.