1. IOR/F/4/1258/50560 Reference (shelfmark): IOR/F/4/1258/50560 Title: Scope & Content: Papers regarding the trade in Malwa opium - increase in the demand from China - abolition of restrictions on the trade in Malwa - adoption of the pass system, etc. Vol 1. Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1829-Sep 1831 Extent: 1 file