Columbia subject headings:
Art--Collectors and collecting--Italy--Sicily--Exhibitions.
Painting, Flemish--Italy--Sicily--Exhibitions.
Harvard subject headings:
Painting, Baroque--Italy--Sicily--Exhibitions.
Painting, Flemish--Italy--Sicily--Exhibitions.
Painting, Renaissance--Italy--Sicily--Exhibitions.
Palace of the Normans (Palermo, Italy)
Princeton subject headings: