- typescript - J.H. Hutton tour diaries in the Naga Hills
- typescript - J.H. Hutton tour diaries in the Naga Hills
- typescript - J.H. Hutton tour diary in the Naga Hills
- typescript - J.H. Hutton tour diary in the Naga Hills
- typescript - Tour Diary of Keith Cantlie, 1919-1920
- published - Chapter II, 'Detailed Report on the Naga Hills Expedition of 1879-80', Capt. P.J. Maitland
- published - Appendices. 'Detailed Report on the Naga Hills Expedition of 1878-80', Capt. P.J. Maitland