Columbia subject headings:
Art museums--Italy--History.
Art patronage--Italy--History.
Art--Collectors and collecting--Italy--History.
Collectors and collecting--Italy--History.
Harvard subject headings:
Art museums--Italy--History.
Art patronage--Italy--History.
Art--Collectors and collecting--Italy--History.
Collectors and collecting--Italy--History.
Princeton subject headings:
Art museums--Italy--History.
Art patronage--Italy--History.
Art--Collectors and collecting--Italy--History.
Collectors and collecting--Italy--History.