51. IOR/R/20/E/10, Item 3 Reference (shelfmark): IOR/R/20/E/10, Item 3 Title: File 94 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1840-May 1840 Extent: 1 part volume
52. IOR/R/20/E/11, Item 1 Reference (shelfmark): IOR/R/20/E/11, Item 1 Title: File 142 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1840-Sep 1840 Extent: 1 part volume
53. IOR/R/20/E/11, Item 2 Reference (shelfmark): IOR/R/20/E/11, Item 2 Title: File 208 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1840-Dec 1840 Extent: 1 part volume
54. IOR/R/20/E/17 Reference (shelfmark): IOR/R/20/E/17 Title: File 241 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1841-Dec 1841 Extent: 1 volume
55. IOR/R/20/E/18 Reference (shelfmark): IOR/R/20/E/18 Title: File 56 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1842-Apr 1842 Extent: 1 volume
56. IOR/R/20/E/22 Reference (shelfmark): IOR/R/20/E/22 Title: File 21 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1844-Dec 1844 Extent: 1 volume
57. IOR/R/20/G/145 Reference (shelfmark): IOR/R/20/G/145 Title: Eastern Aden Protectorate. Development Plan, 1961-1964 typ Collection Area: India Office Records and Private Papers Languages: English Date Range: 1961-1964 Extent: 1 volume
58. IOR/R/20/B/3549 Reference (shelfmark): IOR/R/20/B/3549 Title: File ML/S/20 Antiquities Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1959-Nov 1960 Extent: 1 file
59. IOR/R/20/E/72 Reference (shelfmark): IOR/R/20/E/72 Title: Vol 2 File 29 Aden affairs Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1865-Dec 1865 Extent: 1 volume
60. IOR/R/20/E/268 Reference (shelfmark): IOR/R/20/E/268 Title: [Accounts] [first part of volume missing] Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1905-Oct 1905 Extent: 1 volume