Columbia subject headings:
Architecture--Spain--Barcelona--History--20th century.
Barcelona (Spain)--Buildings, structures, etc.
Eixample (Barcelona, Spain)
Harvard subject headings:
Architecture--Spain--Barcelona--History--20th century
Barcelona (Spain)--Buildings, structures, etc.
Eixample (Barcelona, Spain)
Princeton subject headings:
Architecture--Spain--Barcelona--History--20th century.
Barcelona (Spain)--Buildings, structures, etc.
Eixample (Barcelona, Spain)--Buildings, structures, etc.