1. Aviation: India’s Internal Policy, IOR/L/E/9/34
2. Civil Aviation in India, The Aeroplane, 4 November 1931.
3. Disorders Inquiry Committee, 1919–1920: Report (Calcutta: Superintendent Government Printing, 1920).
4. Issue of Instructions for the Use of Aircraft in Aid of Civil Power, NAI, Home Department, Political – A, Proceedings, December 1920, Nos.267–270.