Columbia subject headings:
Landscape painting, Italian--Italy--Lombardy--19th century--Exhibitions.
Lombardy (Italy)--In art--Exhibitions.
Harvard subject headings:
Landscape painting, Italian--19th century--Exhibitions.
Landscape painting--19th century--Exhibitions.
Lombardy (Italy)--In art--Exhibitions.
Painting, Italian--19th century--Exhibitions
Princeton subject headings: