Columbia subject headings:
Art--Private collections--Italy--Turin--Exhibitions.
Galleria sabauda (Turin, Italy)--Exhibitions.
Gualino, Riccardo, 1879-1964--Art collections--Exhibitions.
Harvard subject headings:
Art--Private collections--Italy--Turin--Exhibitions.
Galleria sabauda (Turin, Italy)--Exhibitions.
Gualino, Riccardo, -1964--Art collections--Exhibitions.
Princeton subject headings:
Gualino, Riccardo, 1879-1964--Art collections--Exhibitions.