1. IOR/L/PS/6/508, Coll 63 Reference (shelfmark): IOR/L/PS/6/508, Coll 63 Title: Further correspondence regarding the Sikkim Expedition - ultimatum to the Raja of Sikkim from the British Special Commissioner [Ashley Eden] - his demand that the Raja surrender Diwan Namguay etc. (a copy of the ultimatum appears on pp 26-29) Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1861-Feb 1861 Extent: 1 file