Columbia subject headings:
Painting, Italian--19th century--Exhibitions.
Painting, Italian--20th century--Exhibitions.
Painting--Italy--Lombardy--Exhibitions.
Painting--Private collections--Italy--Lombardy--Exhibitions.
Harvard subject headings:
Painting, Italian--19th century--Exhibitions
Painting--Italy--Tortona--Exhibitions.
Painting--Private collections--Italy--Lombardy--Exhibitions.
Painting--Private collections--Italy--Tortona--Exhibitions.
Princeton subject headings:
Painting, Italian--19th century--Exhibitions.
Painting, Italian--20th century--Exhibitions.
Painting--Italy--Lombardy--Exhibitions.
Painting--Private collections--Italy--Lombardy--Exhibitions.