1. IOR/L/E/7/1284, File 3187 Reference (shelfmark): IOR/L/E/7/1284, File 3187 Title: File 3187 Proposal that governments should agree not to import opium, etc, from countries which have not put Opium Convention into force and adopted the ``import certificate'' system Collection Area: India Office Records and Private Papers Languages: English Date Range: 3 Aug 1922-5 Feb 1923 Extent: 1 file