41. IOR/L/PS/18/A155 Reference (shelfmark): IOR/L/PS/18/A155 Title: [Collection of Agreements and Treaties with Afghanistan 1809-1893] [undated] Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: [18]pp
42. IOR/L/PS/18/A57 Reference (shelfmark): IOR/L/PS/18/A57 Title: Afghan boundary H M Durand, 14 Feb 1885 Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Feb 1885 Extent: 8pp
43. IOR/L/PS/18/A67 Reference (shelfmark): IOR/L/PS/18/A67 Title: Zulfigar Pass O T Burne, 13 Jul 1885 Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Jul 1885 Extent: 2pp
44. IOR/L/PS/18/B72 Reference (shelfmark): IOR/L/PS/18/B72 Title: Trade reports: Mekong and Manam basins; Siam; Yunnan. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1895 Extent: 1 volume
45. IOR/L/PS/18/B191 Reference (shelfmark): IOR/L/PS/18/B191 Title: Tibet. Sir F A Hirtzel, 27 Jan 1913 Collection Area: India Office Records and Private Papers Languages: English Date Range: 27 Jan 1913 Extent: 6pp
46. IOR/L/PS/18/B244 Reference (shelfmark): IOR/L/PS/18/B244 Title: Arabia: suggested agreement with Italy. 22 Sep 1916 Collection Area: India Office Records and Private Papers Languages: English Date Range: 22 Sep 1916 Extent: [2]pp typ
47. IOR/L/PS/18/B384 Reference (shelfmark): IOR/L/PS/18/B384 Title: Iraq. Treaty with King Feisal [10 October 1922] Collection Area: India Office Records and Private Papers Languages: English Date Range: 10 Oct 1922 Extent: 6pp
48. IOR/L/PS/18/C20 Reference (shelfmark): IOR/L/PS/18/C20 Title: Russian military movements in Turkistan since 1875 1878 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1878 Extent: 12pp
49. IOR/L/PS/18/C160 Reference (shelfmark): IOR/L/PS/18/C160 Title: [South Persia Rifles]. A Hirtzel, 26 Jan 1917 Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Jan 1917 Extent: 8pp. typ
50. IOR/L/PS/18/C203 Reference (shelfmark): IOR/L/PS/18/C203 Title: Information concerning the Baku Conference. 9 Feb 1921 Collection Area: India Office Records and Private Papers Languages: English Date Range: 9 Feb 1921 Extent: 13pp