1. IOR/L/E/7/1421, File 6622 Reference (shelfmark): IOR/L/E/7/1421, File 6622 Title: File 6622 League of Nations - Opium - Extradition Treaties between various states in respect of offences against opium laws Collection Area: India Office Records and Private Papers Languages: English Date Range: 28 Oct 1925-3 Mar 1926 Extent: 1 file