Columbia subject headings:
Motazilites--Biography.
Naẓẓām, Ibrāhīm ibn Sayyār, 760?-845.
Harvard subject headings:
Motazilites--Biography.
Naẓẓām, Ibrāhīm ibn Sayyār, 760?-845.
Princeton subject headings:
Motazilites--Biography.
Naẓẓām, Ibrāhīm ibn Sayyār, 760?-845.