1. IOR/L/E/9/745 Reference (shelfmark): IOR/L/E/9/745 Title: Collection 117/4 Opium and Drugs: Reports and statistics - Permanent Central Opium Board: reports on the working of the Board and statistics of narcotics 1936 Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1938-Jan 1947 Extent: 1 file