1. IOR/Z/E/4/33/M10 Reference (shelfmark): IOR/Z/E/4/33/M10 Title: McDonell, Mr., Sub. Deputy Opium Agent at Champaran, plan adopted by, in calling in ryots in division for weighing of their opium Collection Area: India Office Records and Private Papers Languages: English Date Range: 1858 Extent: 1 entry