1. IOR/V/27/69/31 Reference (shelfmark): IOR/V/27/69/31 Title: Hennessey, J B N, Report on the explorations in Great Tibet and Mongolia, made by A-K in 1879-82, in connection with the Trigonometrical Branch, survey of India. Dehra Dun, 1884 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1884 Extent: 1 volume