1. IOR/L/E/7/1241, File 2472 Reference (shelfmark): IOR/L/E/7/1241, File 2472 Title: File 2472 Opium: Dr L F Rushbrook Williams' book Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Apr 1921-19 Jan 1922 Extent: 1 file