1. IOR/L/E/7/1441, File 1296 Reference (shelfmark): IOR/L/E/7/1441, File 1296 Title: File 1296 Effect of his deputation to the Geneva opium conferences on the leave of Mr H. Clayton, I.C.S Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Feb 1925-28 Oct 1926 Extent: 1 file