- manuscript - Christoph von Furer-Haimendorf, Naga diary four
- 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 diaries in the Naga Hills
- typescript - J.H. Hutton's tour diary in the Naga Hills
- typescript - J.H. Hutton's tour diary in the Naga Hills
- typescript - J.H. Hutton's tour diary in the Naga Hills
- typescript - J.H. Hutton's tour diary in the Naga Hills
- published - J.H. Hutton, Diaries of Two Tours in the Unadministered Area East of the Naga Hills', 1926
- published - 'Report of the Survey Operations in the Naga Hills 1875-1876' by Lt. R.G. Woodthorpe
- published - 'Report of the Survey Operations in the Naga Hills 1875-1876' by Lt. R.G. Woodthorpe
- published - extracts on Nagas from 'Assam Administration Report'