41. IOR/R/20/B/1101 Reference (shelfmark): IOR/R/20/B/1101 Title: File C.4/16/16 1940 Sec. Defence Scheme: persons detained under the Aden Defence Regulations: Muhammad Sa'id 'Abdullah Khaliffa Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1940-May 1945 Extent: 1 file
42. IOR/R/20/B/1102 Reference (shelfmark): IOR/R/20/B/1102 Title: File C.4/16/17 1940 Sec. Defence Scheme: persons detained under the Aden Defence Regulations: Muhammad Salih Al Malahi Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1940-Dec 1945 Extent: 1 file
43. IOR/R/20/B/1103 Reference (shelfmark): IOR/R/20/B/1103 Title: File C.4/16/19 1940 Sec. Defence Scheme: persons detained under the Aden Defence Regulations: Ismail ibn Nahar Hasan Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1940-Sep 1941 Extent: 1 file
44. IOR/R/20/B/1104 Reference (shelfmark): IOR/R/20/B/1104 Title: File C.4/16/20 1940 Sec. Defence Scheme: persons detained under the Aden Defence Regulations: Yahya ibn Qasim al-Matari Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1940-Apr 1948 Extent: 1 file
45. IOR/R/20/B/1105 Reference (shelfmark): IOR/R/20/B/1105 Title: File C.4/17 1940 Sec. Defence Scheme: erection of a shore depot by the Admiralty in connection with boom defences Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1940-Jan 1941 Extent: 1 file
46. IOR/R/20/B/1106 Reference (shelfmark): IOR/R/20/B/1106 Title: File C.4/18 1940 Sec. Defence Scheme: Defence of British Somaliland Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1940-Jul 1940 Extent: 1 file
47. IOR/R/20/B/1107 Reference (shelfmark): IOR/R/20/B/1107 Title: File C.4/19 1940 Con. Defence Scheme: list of persons detained under the Aden Defence Regulations Collection Area: India Office Records and Private Papers Languages: English Date Range: Jul 1940 Extent: 1 file
48. IOR/R/20/B/1108 Reference (shelfmark): IOR/R/20/B/1108 Title: File C.4/20 1940 Sec. Defence Scheme: proceedings of the meetings of the Security Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1940-Jan 1941 Extent: 1 file
49. IOR/R/20/B/1109 Reference (shelfmark): IOR/R/20/B/1109 Title: File C.4/21 1940 Sec. Defence Scheme: security measures: Government servants and subordinate staff Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1940-Jan 1942 Extent: 1 file
50. IOR/R/20/B/1110 Reference (shelfmark): IOR/R/20/B/1110 Title: File C.4/22 1940 Con. Defence Scheme: identity cards for Government officers Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1940-Jan 1942 Extent: 1 file