Art--Collectors and collecting--Italy--Rome--19th century
Art and state--Italy--Rome--History--19th century
Art--Economic aspects--Italy--Rome--History--20th century
Art--Collectors and collecting--Italy--Rome--20th century
Art and state--Italy--Rome--History--20th century
Art--Italy--Rome--Marketing--History--20th century
Art--Economic aspects--Italy--Rome--History--19th century
Art--Italy--Rome--Marketing--History--19th century