1. IOR/L/E/9/749 Reference (shelfmark): IOR/L/E/9/749 Title: Collection 117/8 Opium and Drugs: Reports and statistics - Permanent Central Opium Board: Government of India quarterly returns of import and export statistics from 1936 Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1936-May 1948 Extent: 1 file