Columbia subject headings:
Barcelona (Spain)--Buildings, structures, etc.--Guidebooks.
Monuments--Spain--Barcelona--Guidebooks.
Outdoor sculpture--Spain--Barcelona--Guidebooks.
Harvard subject headings:
Barcelona (Spain)--Buildings, structures, etc.
Monuments--Spain--Barcelona.
Outdoor sculpture--Spain--Barcelona.
Princeton subject headings:
Barcelona (Spain)--Buildings, structures, etc.--Guidebooks.
Monuments--Spain--Barcelona--Guidebooks.
Outdoor sculpture--Spain--Barcelona--Guidebooks.