Columbia subject headings:
Harvard subject headings:
Art, Norman--Italy--Sicily.
Italy, Southern--History.
Normans--Italy, Southern.
Normans--Italy--Sicily.
Normans--Italy.
Sicily (Italy)--History--1016-1194
Princeton subject headings:
Art, Norman--Italy, Southern.
Italy, Southern--History--535-1268.
Middle Ages--Historiography.
Normans--Italy, Southern.
Normans--Italy--Sicily.
Sicily (Italy)--History--1016-1194.