Columbia subject headings:
Art patronage--Italy--Rome--History--18th century.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Artists and patrons--Italy--Rome--History--18th century.
Harvard subject headings:
Art patronage--Italy--Rome--History--18th century.
Art, Italian--Italy--Rome
Art, Modern--17th-18th centuries--Italy--Rome.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Clergy--Italy--Rome--History--18th century.
Princeton subject headings:
Art patronage--Italy--Rome--History--18th century.
Art, Italian--Italy--Rome.
Art, Modern--17th century.
Art, Modern--18th century.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Clergy--Italy--Rome--History--18th century.