1. IOR/L/PS/11/1, P 55/1912 Reference (shelfmark): IOR/L/PS/11/1, P 55/1912 Title: P 55/1912 North East Frontier: Abor expedition; Political Officer's diary 18-28 Nov 1911. Mr Williamson's murder; statement by Hut Narain Thapa Collection Area: India Office Records and Private Papers Languages: English Date Range: 28 Nov 1911-6 Jan 1912 Extent: 1 file