Columbia subject headings:
Ingegnoli, Paolo--Art collections--Exhibitions.
Painting, Italian--19th century--Exhibitions.
Painting--Private collections--Italy--Milan--Exhibitions.
Harvard subject headings:
Ingegnoli, Paolo--Art collections--Exhibitions.
Painting, Italian--19th century--Exhibitions
Painting--Private collections--Italy--Milan--Exhibitions.
Princeton subject headings:
Ingegnoli, Paolo--Art collections--Exhibitions.
Painting, Italian--19th century--Exhibitions.
Painting--Private collections--Italy--Milan--Exhibitions.