Columbia subject headings:
Balla, Giacomo, 1871-1958--Exhibitions.
Depero, Fortunato, 1892-1960--Exhibitions.
Futurism (Art)--Italy--Exhibitions.
Postcards--Italy--Exhibitions.
Harvard subject headings:
Balla, Giacomo, 1871-1958--Exhibitions.
Depero, Fortunato, 1892-1960--Exhibitions.
Futurism (Art)--Italy--Exhibitions.
Postcards--Italy--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Italy--Exhibitions.
Futurism (Art)--Italy--Exhibitions.
Mail art--Italy--Exhibitions.