Columbia subject headings:
Arabs--Italy--History--Sources.
Italy--Description and travel--Early works to 1800.
Italy--History--476-1492--Sources.
Harvard subject headings:
Arabs--Italy--History--Sources.
Italy--Description and travel--Early works to 1800.
Italy--History--476-1492--Sources.
Princeton subject headings:
Arabs--Italy--History--Sources.
Italy--Description and travel.
Italy--History--476-1492--Sources.