Columbia subject headings:
Normans--Italy--Sicily--History--Exhibitions.
Sicily (Italy)--History--1016-1194--Exhibitions.
Harvard subject headings:
Normans--Italy--Sicily--History--Exhibitions.
Sicily (Italy)--History--1016-1194--Exhibitions.
Princeton subject headings:
Normans--Italy--Sicily--History--Exhibitions.
Sicily (Italy)--History--1016-1194--Exhibitions.