References :
1. Bachitra Natak
2. Gurbilas Chhevrn Patshahi. Patiala, 1970
3. Santokh Singh, Bhai, Sri Gur Pratap Suraj Granth. Amritsar, 1927-35
4. Gian Singh, Giani, Twarikh Guru Khalsa [Reprint]. Patiala, 1970
5. Sainapat, Sri Gur Sobha (ed. Ganda Singh). Patiala, 1967
6. Macauliffe, Max Arthur, The Sikh Religion : Its Gurus, Sacred Writing`s and Authors. Oxford, 1909