5 - المراجع الاحنبية
1 - Abbott. Nabia. studies in Arabic Literary Papyri. I. Historical texts. Chicago. U.P. 1957. P.P.8 - 100
2 - Barakat, Ahmed, Muhammed and the Jews. Indian Institute of Islamic studies, vilcos publishing house, PTV, LTD. New Delhi, P.P. 12 - 13.
3 - Gullaum. Anew Lighte on the life of Muhammad University press of Manchester, 1956. P. P. 5 - 10.
4 - Jons. J. N. B "IBN Ishak" In Encyclopaidia of Islam. E. J. Brill, Leiden and Lozac & co. London. Volume III, P.P. 810 - 811.
5 - Watt. Montgomery. The Materials Used by Ibn IshaQ. Edited by. Bernard Lewis add. P.M. Holt. Historians of the midlle este Oxford University press, 1962. P.P. 23 - 34.