Columbia subject headings:
Architecture, Modern--20th century--Designs and plans.
Architecture, Modern--20th century.
Architecture--Italy--History--20th century--Designs and plans.
Architecture--Italy--History--20th century.
Portoghesi, Paolo.
Harvard subject headings:
Architects--Italy.
Architecture--Italy--21st century.
Architecture--Italy--History--20th century
Portoghesi, Paolo.
Princeton subject headings:
Architecture, Modern--20th century--Designs and plans.
Architecture, Modern--20th century.
Architecture--Italy--20th century--Designs and plans.
Architecture--Italy--History--20th century.
Portoghesi, Paolo.