Columbia subject headings:
Jews--Italy--Sicily--History--To 1500.
Sicily (Italy)--Ethnic relations.
Harvard subject headings:
Jews--Italy--Sicily--History--To 1500.
Jews--Italy--Sicily--History.
Jews--Italy--Sicily--Social conditions.
Judaism--Italy--Sicily--History.
Sicily (Italy)--Ethnic relations.
Princeton subject headings:
Jews--Italy--Sicily--History.
Judaism--Italy--Sicily--History--Medieval and modern period, 425-1789.