Columbia subject headings:
Architects--France--Paris.
Architecture--France--Paris--History--20th century.
Architecture--France--Paris.
Défense (Paris, France)
Jullien, François, 1931-
Paris (France)--Buildings, structures, etc.
Saubot, Roger, 1931-
Webb, Zerafa, Menkès, Houdsen.
Harvard subject headings:
Architects--France--Paris.
Architecture, Modern--20th century--France--Paris.
Architecture, Modern--21st century
Architecture--France--Paris
Défense (Paris, France)
Jullien, François, 1931-
Paris (France)--Buildings, structures, etc.
Saubot, Roger, 1931-
Webb, Zerafa, Menkès, Houdsen.
Princeton subject headings:
Architecture, Modern--20th century--France--Paris.
Skyscrapers--France--Paris--Designs and plans.
Tour Elf (Paris, France)