References :
1. Bhalla, Sarup Das, Mahima Prakash. Patiala, 1971
2. Jaggi, Ratan Singh, ed., Bansavalinama. Chandigarh, 1972
3. Santokh Singh, Bhai, Sri Gur Pratap Suraj Granth. Amritsar, 1927-35
4. Gian Singh. Giani, Twarikh Guru Khalsa [Reprint]. Patiala, 1970
5. Macauliffe, M.A., The Sikh Religion. Oxford, 1909