181. IOR/L/PS/9/52 Reference (shelfmark): IOR/L/PS/9/52 Title: Vol 2 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1875-Dec 1875 Extent: 1 volume
182. IOR/L/PS/9/53 Reference (shelfmark): IOR/L/PS/9/53 Title: Vol 3 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1876-Dec 1876 Extent: 1 volume
183. IOR/L/PS/9/54 Reference (shelfmark): IOR/L/PS/9/54 Title: Vol 4 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1877-1880 Extent: 1 volume
184. IOR/L/PS/9/55 Reference (shelfmark): IOR/L/PS/9/55 Title: Vol 5 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1881-1884 Extent: 1 volume
185. IOR/L/PS/9/56 Reference (shelfmark): IOR/L/PS/9/56 Title: Vol 6 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1888 Extent: 1 volume
186. IOR/L/PS/9/57 Reference (shelfmark): IOR/L/PS/9/57 Title: Vol 7 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1896 Extent: 1 volume
187. IOR/L/PS/9/58 Reference (shelfmark): IOR/L/PS/9/58 Title: Vol 8 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1897-1899 Extent: 1 volume
188. IOR/L/PS/9/59 Reference (shelfmark): IOR/L/PS/9/59 Title: Vol 9 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1900-1902 Extent: 1 volume
189. IOR/L/PS/9/60 Reference (shelfmark): IOR/L/PS/9/60 Title: Vol 10 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1903 Extent: 1 volume
190. IOR/L/PS/9/61 Reference (shelfmark): IOR/L/PS/9/61 Title: Vol 11 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904-1911 Extent: 1 volume