1. IOR/L/PS/20/D162 Reference (shelfmark): IOR/L/PS/20/D162 Title: Military report on Presidency & Assam District, 1931. Vol II - northern frontier tracts. Part I - Towang, Bhareli and Subansiri river areas. Part II - Dihang, Dibang and Lohit river areas Simla: General Staff India, 1931 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931 Extent: v, 224pp 2 maps (1 in pocket)