Referenced by:
- black and white photographs by J.H. Hutton
- 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 - J.H. Hutton, Diaries of Two Tours in the Unadministered Area East of the Naga Hills', 1926