- published - 'Report of the Survey Operations in the Naga Hills 1875-1876' by Lt. R.G. Woodthorpe
- published - 'Notes on the Wild Tribes Inhabiting the So-Called Naga Hills, on our North-East Frontier of India', by Col. R.G. Woodthorpe, 1881
- published - 'Notes on the Wild Tribes Inhabiting the So-Called Naga Hills, on our North-East Frontier of India', by Col. R.G. Woodthorpe, 1881
- published - 'Notes on the Wild Tribes Inhabiting the So-Called Naga Hills, on our North-East Frontier of India', by Col. R.G. Woodthorpe, 1881
- published - 'Notes on the Wild Tribes Inhabiting the So-Called Naga Hills, on our North-East Frontier of India', by Col. R.G. Woodthorpe, 1881
- published - 'Notes on the Wild Tribes Inhabiting the So-Called Naga Hills, on our North-East Frontier of India', by Col. R.G. Woodthorpe, 1881
- part of original tour diary of Lt. R.G. Woodthorpe 1876