Columbia subject headings:
Art patronage--Italy--Rome--History.
Art--Collectors and collecting--Italy--Rome--History.
Art--Italy--Rome.
Harvard subject headings:
Art, Renaissance--Italy--Rome
Art--Collectors and collecting--Italy--Rome--History--16th century.
Art--Collectors and collecting--Italy--Rome--History--17th century.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Princeton subject headings:
Art patronage--Italy--Rome--History.
Art--Collectors and collecting--Italy--Rome--History.
Art--Italy--Rome.