Peter Jackson, The Delhi Sultanate: A Political and Military History (Cambridge: Cambridge University Press, 1999), 91-93.
Satish Chandra, Medieval India: From Sultanat to the Mughals, Vol. 1 (New Delhi: Har-Anand Publications, 2007), 318-319.
Kishori Saran Lal, History of the Khaljis (1290-1320) (Bombay: Asia Publishing House, 1950), 74-76.
Ziya" al-Din Barani, Tarikh-i-Firuz Shahi, trans. Elliot and Dowson, The History of India as Told by Its Own Historians, vol. 3 (London: Trübner & Co., 1871), 41-42.
Jackson, The Delhi Sultanate, 105-108.