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Roberts, P., & Spear, T. (1952). History of British India: Under the company and the crown (3rd ed.). Calcutta: Oxford University Press.

Roberts, P.E., and T.G.P Spear. History of British India: Under the Company and the Crown. 3rd ed. Calcutta: Oxford University Press, 1952.

Roberts, P.E., and T.G.P Spear. History of British India: Under the Company and the Crown. 3rd ed. Calcutta: Oxford University Press, 1952.