Columbia subject headings:
Guerra, Leo, 1972-
Harvard subject headings:
Architecture, Postmodern--Spain--Barcelona.
Architecture--Spain--Barcelona--20th century.
Barcelona (Spain)--Buildings, structures, etc.
City planning--Spain--Barcelona
Princeton subject headings:
Architecture--Spain--Barcelona--20th century--Guidebooks.
Barcelona (Spain)--Buildings, structures, etc.--Guidebooks.
Guidebooks.