1. IOR/L/E/9/748 Reference (shelfmark): IOR/L/E/9/748 Title: Collection 117/7 Opium and Drugs: Reports and statistics - Permanent Central Opium Board: Government of India quarterly returns of import and export statistics 1929 - 1935 Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1929-Apr 1936 Extent: 1 file