Columbia subject headings:
Art museums--Italy--History--19th century--Exhibitions.
Art--Collectors and collecting--Italy--History--19th century--Exhibitions.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Art museums--Italy--History--19th century--Exhibitions.
Art--Collectors and collecting--Italy--History--19th century--Exhibitions.
Photograph collections--Italy--History--19th century--Exhibitions.
Princeton subject headings:
Art museums--Italy--History--19th century--Exhibitions.
Art--Collectors and collecting--Italy--History--19th century--Exhibitions.
Photograph collections--Italy--History--19th century--Exhibitions.