Columbia subject headings:
Drawing, Italian--20th century--Exhibitions.
Leonardi, Leoncillo, 1915-1968--Exhibitions.
Harvard subject headings:
Drawing, Italian--20th century--Exhibitions.
Leonardi, Leoncillo, 1915-1968--Exhibitions.
Princeton subject headings:
Drawing, Italian--20th century--Exhibitions.
Leonardi, Leoncillo, 1915-1968--Exhibitions.