1. IOR/L/E/7/1556, File 297(i) Reference (shelfmark): IOR/L/E/7/1556, File 297(i) Title: File 297(i) General Papers of Opium in Persia Collection Area: India Office Records and Private Papers Languages: English Date Range: 17 Dec 1928-23 Sep 1931 Extent: 1 file