1- Ashirbadi Lal srivastva. The sultanate of Delhi first Edition. Fifth Edueational publishers . AGRA. 1950.
2- Fouzia farooq Ahmed. Muslim rule inmedieval India, I.B. JAupl5. London. New yourk. 2016 .
3- K. Ali. M.A. (cal). A New History of indopakstan Pakistan book center Karachi .
4- Khalif . Ahmeed nizami. Religion and politics in India During the thirteen the century Marendra Nath Law. Promotion of learing in India during muhammadans Rule. Dellhi. 1973.
5- Rokha Joshi. The Reign of sultan Balban. Roopabh printers. Delhi . 1982 .
6- The late Vincent A. smith. C.T.E. the oxford History of India. Fourth edition. Delhi. 1981 .