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