Columbia subject headings:
Muslims--Middle East--History.
Slavery and Islam--Middle East--History.
Slavery--Islamic countries--History.
Slavery--Middle East--History.
Harvard subject headings:
Muslims--Middle East--History.
Slavery and Islam--History.
Slavery--Islamic countries--History.
Slavery--Middle East--History.
Princeton subject headings:
Muslims--Middle East--History.
Slavery and Islam--Middle East--History.
Slavery--Islamic countries--History.
Slavery--Middle East--History.