1. IOR/L/PS/12/4185A Reference (shelfmark): IOR/L/PS/12/4185A Title: Coll 36/20 'Who's who in Tibet': chiefs and leading families in Sikkim, Bhutan and Tibet; notes on Tibetan ranks and titles Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Mar 1934-7 Oct 1947 Extent: 1 file