Al-Sufi Abu Amr Uthman b. Khalifah, Risalah fi bayan kull firqah. n.d. with other works. Sulaiman b. Yakhlaf, Abu al-Rabi al-Siyar Lithogr, Tunis, 1321
Abu Ubaydah, kutoka kwa Jaabir bin Zayd kasema, " Nimepata habari kutoka kwa Ali bin Abi Talib kasema, " Alinikataza Mtume wa Allah (s.a.w) .q