151. IOR/Z/L/PS/11/3 Reference (shelfmark): IOR/Z/L/PS/11/3 Title: Political and Secret Department Registers, with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914 Extent: 1 volume
152. IOR/Z/L/PS/11/4 Reference (shelfmark): IOR/Z/L/PS/11/4 Title: Political and Secret Department Registers, with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: 1 volume
153. IOR/Z/L/PS/11/5 Reference (shelfmark): IOR/Z/L/PS/11/5 Title: Political and Secret Department Registers, with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916 Extent: 1 volume
154. IOR/Z/L/PS/9/2 Reference (shelfmark): IOR/Z/L/PS/9/2 Title: Register of Letters from Persia, with Index Collection Area: India Office Records and Private Papers Languages: English Date Range: 1875-1888 Extent: 1 volume
155. IOR/Z/L/PS/1/1 Reference (shelfmark): IOR/Z/L/PS/1/1 Title: Index to Minutes of the Political Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: 1836-1858 Extent: 1 volume
156. IOR/Z/L/PS/7/23 Reference (shelfmark): IOR/Z/L/PS/7/23 Title: Political and Secret Department Registers with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1897 Extent: 1 volume
157. IOR/Z/L/PS/7/24 Reference (shelfmark): IOR/Z/L/PS/7/24 Title: Political and Secret Department Registers with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898 Extent: 1 volume
158. IOR/Z/L/PS/7/25 Reference (shelfmark): IOR/Z/L/PS/7/25 Title: Political and Secret Department Registers with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1899 Extent: 1 volume
159. IOR/Z/L/PS/7/26 Reference (shelfmark): IOR/Z/L/PS/7/26 Title: Political and Secret Department Registers with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1900 Extent: 1 volume
160. IOR/Z/L/PS/7/27 Reference (shelfmark): IOR/Z/L/PS/7/27 Title: Political and Secret Department Registers with Indexes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1901 Extent: 1 volume