Columbia subject headings:
Harvard subject headings:
Art--Collectors and collecting--France--History--Congresses.
Art--Collectors and collecting--Italy--History--Congresses.
Art--Private collections--France--History--Congresses.
Art--Private collections--Italy--History--Congresses.
Briganti, Giuliano.
Princeton subject headings:
Art--Collectors and collecting--France--Congresses.
Art--Collectors and collecting--Italy--Congresses.