British Library. Oriental and India Office Collections. (2008). British intelligence on the North-West Frontier, 1901-1949: India Office political and secret reports on tribes and terrorism. IDC Publishers.

British Library. Oriental and India Office Collections. British Intelligence on the North-West Frontier, 1901-1949: India Office Political and Secret Reports on Tribes and Terrorism. Leiden, The Netherlands: IDC Publishers, 2008.

British Library. Oriental and India Office Collections. British Intelligence on the North-West Frontier, 1901-1949: India Office Political and Secret Reports on Tribes and Terrorism. IDC Publishers, 2008.