Columbia subject headings:
Harvard subject headings:
Architecture, Modern--20th century--Spain--Barcelona--Designs and plans.
Barcelona (Spain)--Buildings, structures, etc.
Foster Associates (London, England)
Foster, Norman, 1935-
Radio and television towers--Spain--Barcelona.
Torre de Collserola (Barcelona, Spain)
Princeton subject headings:
Foster Associates (London, England)
Foster, Norman, 1935-
Radio and television towers--Spain--Barcelona.
Torre de Collserola (Barcelona, Spain)