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