References :
1. Bharigu, Ratan Singh, Prachin Panth Prakash. Amritsar, 1914
2. Ganda Singh, Sarddr Jassa Singh Ahluvd Rd. Patiala, 1969
3. Gupta, Hari Ram, History of the Sikhs, vol. IV. Delhi, 1978
4. Gandhi, Surjit Singh, Struggle of the Sikhs far Sovereignty. Delhi, 1980