Columbia subject headings:
Architecture--Spain--Barcelona--History--19th century.
Architecture--Spain--Barcelona--History--20th century.
Barcelona (Spain)--Buildings, structures, etc.
Barcelona (Spain)--Pictorial works.
Eclecticism in architecture.
Gaudí, Antoni, 1852-1926.
Harvard subject headings:
Architecture, Modern--19th century
Architecture, Modern--20th century--Spain--Barcelona--Guidebooks.
Architecture, Modern--21st century
Barcelona (Spain)--Buildings, structures, etc.
Barcelona (Spain)--Buildings, structures, etc.--Guidebooks.
Barcelona (Spain)--Pictorial works.
Eclecticism in architecture.
Gaudí, Antoni, 1852-1926
Princeton subject headings:
Architecture, Modern--20th century--Spain--Guidebooks.
Gaudí, Antoni, 1852-1926.
Guidebooks.
Spain--Guidebooks.