Columbia subject headings:
Architecture, Modern--20th century.
Architecture, Modern--21st century.
Architecture--Italy--History--20th century.
Architecture--Italy--History--21st century.
Stadiums--Design and construction.
Stadiums--Italy--Design and construction.
Harvard subject headings:
Architecture, Modern--20th century
Architecture, Modern--21st century
Architecture--Italy--History--20th century
Architecture--Italy--History--21st century.
Stadiums--Design and construction.
Stadiums--Italy--Design and construction.
Princeton subject headings:
Architecture, Modern--20th century.
Architecture, Modern--21st century.
Architecture--Italy--History--20th century.
Architecture--Italy--History--21st century.
Stadiums--Design and construction.
Stadiums--Italy--Design and construction.