Columbia subject headings:
Harvard subject headings:
Art, European--Private collections--Italy--Turin--Exhibitions.
Fondazione Ottavio Mazzonis--Exhibitions.
Mazzonis, Ottavio, 1921---Art collections--Exhibitions.
Mazzonis, Ottavio, 1921---Exhibitions.
Princeton subject headings:
Art, European--Private collections--Italy--Turin--Exhibitions.
Fondazione Ottavio Mazzonis--Exhibitions.
Mazzonis, Ottavio, 1921-2010--Art collections--Exhibitions.
Mazzonis, Ottavio, 1921-2010--Exhibitions.