Columbia subject headings:
Art, Italian--Collectors and collecting--History--17th century--Exhibitions.
Art, Italian--Private collections--History--17th century--Exhibitions.
Guercino, 1591-1666--Exhibitions.
Harvard subject headings:
Art, Italian--Collectors and collecting--History--17th century--Exhibitions.
Art, Italian--Private collections--History--17th century--Exhibitions.
Guercino, 1591-1666--Exhibitions.
Princeton subject headings:
Art, Italian--Collectors and collecting--History--17th century--Exhibitions.
Art, Italian--Private collections--History--17th century--Exhibitions.
Guercino, 1591-1666--Exhibitions.