1. IOR/L/E/7/1456, File 3972 Reference (shelfmark): IOR/L/E/7/1456, File 3972 Title: File 3972 Smuggling of opium from British North Borneo into the Philippine Islands Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 Mar 1921-29 Jul 1927 Extent: 1 file