Columbia subject headings:
Art--Collectors and collecting--Italy--Rome--History--18th century--Sources.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Riccardi, Francesco Maria, 1697-1758--Art collections.
Harvard subject headings:
Art patronage--Italy--Rome--18th century.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Riccardi, Francesco Maria, 1697-1758--Art patronage.
Princeton subject headings:
Art--Collectors and collecting--Italy--Rome--History--18th century--Sources.
Art--Collectors and collecting--Italy--Rome--History--18th century.
Riccardi, Francesco Maria, 1697-1758--Art collectors.