1. IOR/L/E/7/1240, File 2335 Reference (shelfmark): IOR/L/E/7/1240, File 2335 Title: File 2335 League of Nations: opium - exchange of information under article 21 of Hague Convention Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Nov 1921-11 Apr 1922 Extent: 1 file