81. IOR/L/PS/20/FO81 Reference (shelfmark): IOR/L/PS/20/FO81 Title: Foreign Office Prints: Siam Collection Area: India Office Records and Private Papers Languages: English Date Range: 1903-1905 Extent: 1 volume
82. IOR/L/PS/20/FO82 Reference (shelfmark): IOR/L/PS/20/FO82 Title: Foreign Office Prints: Siam Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905-1910 Extent: 1 volume
83. IOR/L/PS/20/FO83 Reference (shelfmark): IOR/L/PS/20/FO83 Title: Further correspondence respecting the affairs of Siam Part XXI 1909 Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1910 Extent: xiv, 171pp
84. IOR/L/PS/20/FO84 Reference (shelfmark): IOR/L/PS/20/FO84 Title: Foreign Office Prints: Tibet Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904-1905 Extent: 1 volume
85. IOR/L/PS/20/FO85 Reference (shelfmark): IOR/L/PS/20/FO85 Title: Foreign Office Prints: Tibet Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906-1907 Extent: 1 volume
86. IOR/L/PS/20/FO86 Reference (shelfmark): IOR/L/PS/20/FO86 Title: Foreign Office Prints: Tibet Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907-1909 Extent: 1 volume
87. IOR/L/PS/20/FO87 Reference (shelfmark): IOR/L/PS/20/FO87 Title: Foreign Office Prints: Tibet Collection Area: India Office Records and Private Papers Languages: English Date Range: 1910-1916 Extent: 1 volume
88. IOR/L/PS/20/FO88 Reference (shelfmark): IOR/L/PS/20/FO88 Title: Foreign Office Prints: Further correspondence respecting the affairs of Thibet Part XV 1912 Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1916 Extent: xxxiii, 262pp 1 map
89. IOR/L/PS/20/FO89 Reference (shelfmark): IOR/L/PS/20/FO89 Title: Foreign Office Prints: Eastern Department: Secret Series Collection Area: India Office Records and Private Papers Languages: English Date Range: 1911-1912 Extent: 1 vol (4 files)