Sarkar 1983, p. 147 In Bengal, the revolutionaries achieved a major success in August 1914, when a large consignment of 50 Mauser pistols and 46,000 rounds of ammunition was appropriated by them from the Rodda firm in Calcutta through a sympathetic employee. Sarkar, Sumit (1983), Modern India, 1885–1947, Delhi: Macmillan, ISBN978-0-333-90425-1
Samanta 1995, p. 625 It has been alleged that during the visit of the Crown Prince of Germany to Calcutta in 1912, Narendra Bhattacharji and Jatin Mukharji had an interview with him and that he had given them an assurance that arms and ammunition would be supplied to them. Samanta, Amiya K., ed. (1995), Terrorism in Bengal: Origin, growth and activities of the organisations like Anushilan Samiti, Jugantar Party, Dacca Shri Sangha and other such organisations, vol. 2, Government of West Bengal, OCLC604388307