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Williams, Beryl J. (1966). "The Strategic Background to the Anglo-Russian Entente of August 1907". The Historical Journal. 9 (3): 360–373. doi:10.1017/S0018246X00026698. JSTOR2637986.
Low, D.A. (February 1966). "The Government of India and the First Non-Cooperation Movement-—1920–1922". The Journal of Asian Studies. 25 (2): 241–259. doi:10.2307/2051326.
jstor.org
Williams, Beryl J. (1966). "The Strategic Background to the Anglo-Russian Entente of August 1907". The Historical Journal. 9 (3): 360–373. doi:10.1017/S0018246X00026698. JSTOR2637986.