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