Columbia subject headings:
Architecture--Spain--Barcelona--Guidebooks.
Art, Spanish--Spain--Barcelona--Guidebooks.
Barcelona (Spain)--Guidebooks.
Harvard subject headings:
Barcelona (Spain)--Buildings, structures, etc.
Barcelona (Spain)--Guidebooks.
Design--Spain--Barcelona--Guidebooks.
Princeton subject headings:
Architecture--Spain--Barcelona--Guidebooks.
Art, Spanish--Spain--Barcelona--Guidebooks.
Barcelona (Spain)--Description and travel--Guidebooks.
Guidebooks.