Columbia subject headings:
Islam--Italy--Sicily--Historiography--Congresses.
Muslims--Italy--Sicily--Historiography--Congresses.
Sicily (Italy)--History--1016-1194--Historiography--Congresses.
Sicily (Italy)--History--800-1016--Historiography--Congresses.
Harvard subject headings:
Sicily (Italy)--History--800-1016--Sources--Congresses.
Princeton subject headings:
Islam--Italy--Sicily--History--Historiography--Congresses.
Muslims--Italy--Sicily--History--Historiography--Congresses.
Sicily (Italy)--History--1016-1194--Historiography--Congresses.
Sicily (Italy)--History--800-1016--Historiography--Congresses.