1. IOR/L/PS/10/221/1 Reference (shelfmark): IOR/L/PS/10/221/1 Title: File 505/1912 Pt 1 Relations with Bhutan: installation of Tongsa Penlop as Maharaja; treaty of 1910 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906-1912 Extent: 1 file / part file