61. IOR/R/20/A/4987 Reference (shelfmark): IOR/R/20/A/4987 Title: File 45 Revisions 1913 Defence Scheme of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929 Extent: 1 file
62. IOR/R/20/A/4988 Reference (shelfmark): IOR/R/20/A/4988 Title: File 46 Revisions 1913 Defence Scheme of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928-1929 Extent: 1 file
63. IOR/R/20/A/4989 Reference (shelfmark): IOR/R/20/A/4989 Title: File 47 Revisions 1913 Defence Scheme of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: 1 file
64. IOR/R/20/A/5018 Reference (shelfmark): IOR/R/20/A/5018 Title: File 79 Certificates of transfer of Cypher code Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1925 Extent: 1 file
65. IOR/R/20/A/5036 Reference (shelfmark): IOR/R/20/A/5036 Title: Political Resident's file comprising papers relating to the Departmental enquiry into Mr Saleh Muhammad Makkavi, Sub-Registrar of Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912-1916 Extent: 1 file
66. IOR/R/20/A/4946 Reference (shelfmark): IOR/R/20/A/4946 Title: File 4 Monthly news reports from the Arab States Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1935 Extent: 1 file
67. IOR/R/20/A/4978 Reference (shelfmark): IOR/R/20/A/4978 Title: File 36 Income Tax Assessment of Ruling Princes for Chiefs Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921 Extent: 1 file
68. IOR/R/20/A/4982 Reference (shelfmark): IOR/R/20/A/4982 Title: File 40 J. Dixon alias Captain Dawson, the Australian sharper Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: 1 file
69. IOR/R/20/A/4994 Reference (shelfmark): IOR/R/20/A/4994 Title: File 52 Notes on Kermanshah Affairs by Major Weir Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921 Extent: 1 file
70. IOR/R/20/A/5008 Reference (shelfmark): IOR/R/20/A/5008 Title: File 67 Movement of dhows in the Red Sea Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932 Extent: 1 file