1. IOR/L/PS/10/221 Reference (shelfmark): IOR/L/PS/10/221 Title: File 505/1912 Pt 1-2 Bhutan, Nepal and China Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906-1912 Extent: 1 file / part file
2. IOR/L/PS/10/221/2 Reference (shelfmark): IOR/L/PS/10/221/2 Title: File 505/1912 Pt 2 Sikkim and Bhutan: political control Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907-1912 Extent: 1 file / part file
3. 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