1. IOR/L/PS/6/567, Coll 221 Reference (shelfmark): IOR/L/PS/6/567, Coll 221 Title: Papers regarding the North East Frontier - alleged smuggling of opium from Manipur State into Cachar - report by the Political Agent, Manipur [Dr Robert Brown] Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1868-Aug 1869 Extent: 1 file