1. IOR/F/4/662/18430 Reference (shelfmark): IOR/F/4/662/18430 Title: Scope & Content: Mission of Robert Ibbetson and Lieutenant Samuel Cantwell Crooke to the Malay States on the East Coast of Sumatra. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1819-Nov 1820 Extent: 1 file