1. B. O. Kashmeeri , ‘Ibn Saud: The Arabian Nation Builder’ , unpublished Ph.D. thesis, Howard University 1973 , p. 168
2. Lacey, R. 1981.The Kingdom66–7. London
3. John Philby, H. St. 1968.Saudi Arabia240Beirut
4. De Gaury, G. 1966.Faisal King of Saudi Arabia18New York/Washington