Columbia subject headings:
Harvard subject headings:
Africa, North--History--647-1517--Early works to 1800.
Encyclopedias and dictionaries, Arabic--Early works to 1800.
Islamic Empire--History--Early works to 1800.
Princeton subject headings:
Africa, North--History--647-1517--Early works to 1800.
Encyclopedias and dictionaries, Arabic--Early works to 1800.
Islamic Empire--History--Early works to 1800.