Columbia subject headings:
Art, Italian--20th century--Exhibitions.
Art--Private collections--Italy--Exhibitions.
Ragghianti, Carlo Ludovico--Art collections--Exhibitions.
Harvard subject headings:
Art, Italian--20th century--Exhibitions
Art--Private collections--Italy--Exhibitions
Ragghianti, Carlo Ludovico--Art collections--Exhibitions.
Princeton subject headings:
Art, Italian--20th century--Exhibitions.
Art--Private collections--Italy--Exhibitions.
Ragghianti, Carlo Ludovico--Art collections--Exhibitions.