Muhammad ibn Jarir al-Tabari (1991): v. 33 «Storm and Stress along the Northern frontiers of the Abbasid Caliphate», oversatt til engelsk av C. E. Bosworth, SUNY, Albany, Glubb, John Bagot (1963): , Hodder and Stoughton, London , Oxford University Press, 1991. Haldon, John (2008): . The History Press. Treadgold, Warren (1997): . The Stanford Press. Bury, J. B. (2008): * . ISBN 1-60520-421-8. Fine, John Van Antwerp (1991): . Michigan: The University of Michigan Press. ISBN 0-472-08149-7. Runciman, Steven (1930): . London: G. Bell & Sons.