1. IOR/L/E/7/1561, File 4072 Reference (shelfmark): IOR/L/E/7/1561, File 4072 Title: File 4072 Indo-European Telegraph Department - Supplementary rules made by the Secretary of State for India in Council under the Fundamental Rules Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 May 1929-15 Jul 1930 Extent: 1 file