1. IOR/L/PS/11/22, P 2533/1912 Reference (shelfmark): IOR/L/PS/11/22, P 2533/1912 Title: P 2533/1912 North-East Frontier: diary of Abor Expedition 1 April-9 May 1912. Arrest of Gregorson's murderers Collection Area: India Office Records and Private Papers Languages: English Date Range: 18 May 1912-9 Jul 1912 Extent: 1 file