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2 . Hans Delbrück, Walter J. Renfroe Jr “Warfare in Antiquity: History of the Art of War”, Volume I Mannat and Son Publication House ,West Bangal Calcutta 4536
3. Arjun Subramaniam “India's Wars: A Military History, 1947-1971 “ D.N Publisher NewDelhi
4. Khushwant Singh “ A History of the Sikhs (1469-1839) - Vol. 1: Volume 1 : 1469-1839” Sikh Gurdwaras parbandan Publicaion House , Sultanwind ,Amritsar
5. Khushwant Singh “A History of the Sikhs (1839-2004) - Vol. 2: Volume 2: 1839 – 2004” Sikh Gurdwaras Parbandan committee Publicaion House, Sultanwind ,Amritsar
6. Joseph Davey Cunningham “ History of the Sikhs “Sikh Gurdwaras Parbandan committee Publicaion House, Sultanwind ,Amritsar