1. IOR/L/E/7/1567, File 8471 Reference (shelfmark): IOR/L/E/7/1567, File 8471 Title: File 8471 Thirteenth Session of the League of Nations Opium Advisory Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: 9 Nov 1929-13 Nov 1930 Extent: 1 file