1. IOR/L/E/7/1377, File 551 Reference (shelfmark): IOR/L/E/7/1377, File 551 Title: File 551 Soviet Government request copies of official records in connection with survey work in the Pamirs Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Jan 1925-2 Apr 1931 Extent: 1 file