References :
1. Bhalla, Sarup Das, Mahimd Prakash. Patiala, 1971
2. Jaggi, Rattan Singh, ed., Bansavafinama. Chandigarh, 1972
3. Santokh Singh, Bhai, Sri Cur Pratap Suraj Granth. Amritsar, 1927-35
4. Gian Singh, Giani, Twarikh Guru Khalsa [Reprint]. Patiala, 1970
5. Macauliffe, Max Arthur, The Sikh Religion. Oxford, 1909