1. IOR/L/E/7/1273, File 1784 Reference (shelfmark): IOR/L/E/7/1273, File 1784 Title: File 1784 System of mutual exchange of information between Governments, re: Illicit Drug traffic and movements of persons engaged in the traffic Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 May 1922-7 Dec 1928 Extent: 1 file