41. IOR/R/20/A/4950 Reference (shelfmark): IOR/R/20/A/4950 Title: File 8 Air Headquarters monthly Intelligence Summary Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930-1937 Extent: 1 file
42. IOR/R/20/A/4951 Reference (shelfmark): IOR/R/20/A/4951 Title: File 9 Correspondence: Payments for Intelligence Reports Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926-1927 Extent: 1 file
43. IOR/R/20/A/4965 Reference (shelfmark): IOR/R/20/A/4965 Title: File 23 Trade correspondence: imports and exports Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915-1918 Extent: 1 file
44. IOR/R/20/A/4972 Reference (shelfmark): IOR/R/20/A/4972 Title: File 30 Regulations: Sea Traffic in Arms Collection Area: India Office Records and Private Papers Languages: English Date Range: 1902 Extent: 1 file
45. IOR/R/20/A/4977 Reference (shelfmark): IOR/R/20/A/4977 Title: File 35 Improvements to Aden Government House Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923 Extent: 1 file
46. IOR/R/20/A/4992 Reference (shelfmark): IOR/R/20/A/4992 Title: File 50 Defence of ships in Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1936 Extent: 1 file
47. IOR/R/20/A/4993 Reference (shelfmark): IOR/R/20/A/4993 Title: File 51 Reports and Returns: Iraq Administration Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922 Extent: 1 file
48. IOR/R/20/A/4999 Reference (shelfmark): IOR/R/20/A/4999 Title: File 58 Residency Stock: Arms and Ammunitions Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: 1 file
49. IOR/R/20/A/5005 Reference (shelfmark): IOR/R/20/A/5005 Title: File 64 Anchorage of ships at Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1935-1936 Extent: 1 file
50. IOR/R/20/A/5013 Reference (shelfmark): IOR/R/20/A/5013 Title: File 72 Sheikh Othman Defence Scheme 1931 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1935 Extent: 1 file