Columbia subject headings:
Art, Italian--Italy--Lomellina--Exhibitions.
Harvard subject headings:
Art, Italian--Italy--Lomellina--19th century--Exhibitions.
Art, Italian--Italy--Lomellina--20th century--Exhibitions.
Princeton subject headings:
Art, Italian--Italy--Lomellina--19th century--Exhibitions.
Art, Italian--Italy--Lomellina--20th century--Exhibitions.