1. IOR/L/E/9/753 Reference (shelfmark): IOR/L/E/9/753 Title: Collection 117/12 Opium and Drugs: Reports and statistics - Permanent Central Opium Board: annual statistics and estimates of raw materials supplied by Government of India from 1938 Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1937-Jan 1947 Extent: 1 file