Columbia subject headings:
Historiography--Italy--Sicily--History--To 1500.
Italy, Southern--History--535-1268--Historiography.
Sicily (Italy)--History--1016-1194--Historiography.
Harvard subject headings:
Historiography--Italy--Sicily--History--To 1500.
Italy, Southern--History--535-1268--Historiography.
Italy, Southern--History--535-1268.
Middle Ages--Historiography
Normans--Italy, Southern--History.
Normans--Italy--Sicily--History
Sicily (Italy)--History--1016-1194
Sicily (Italy)--History--1016-1194--Historiography.
Princeton subject headings:
Italy, Southern--History--535-1268.
Middle Ages--Historiography.
Normans--Italy, Southern--History.
Normans--Italy--Sicily--History.
Sicily (Italy)--History--1016-1194.