Columbia subject headings:
Art, Italian--20th century--Exhibitions.
Galleria nazionale d'arte moderna (Italy)--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Galleria nazionale d'arte moderna (Italy)--Exhibitions.
Princeton subject headings:
Art, Italian--Exhibitions.
Art, Modern--20th century--Italy--Exhibitions.
Galleria nazionale d'arte moderna (Italy)--Exhibitions.