11. IOR/R/20/B/1071 Reference (shelfmark): IOR/R/20/B/1071 Title: File C.4/4 1938 Sec. Defence Scheme: Control of oil fuel in time of war Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1938-Apr 1939 Extent: 1 file
12. IOR/R/20/B/1072 Reference (shelfmark): IOR/R/20/B/1072 Title: File C.4/6 1938 Sec. Defence Scheme: Defence Scheme of Overseas Defence Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1938-Dec 1939 Extent: 1 file
13. IOR/R/20/B/1073 Reference (shelfmark): IOR/R/20/B/1073 Title: File C.4/7 1938 Sec. Defence Scheme: Kamaran Internal Security Scheme, 1938 Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1938-Jun 1939 Extent: 1 file
14. IOR/R/20/B/1074 Reference (shelfmark): IOR/R/20/B/1074 Title: File C.4/8 1938 Sec. Defence Scheme: Passive Air Defence: appointment of an Air Raid Commandant for Aden Colony Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1938-Dec 1939 Extent: 1 file
15. IOR/R/20/B/1075 Reference (shelfmark): IOR/R/20/B/1075 Title: File C.4/9 1938 Sec. Defence Scheme: Passive Air Defence Scheme; Indent for stores required in connection with Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1938-Nov 1940 Extent: 1 file
16. IOR/R/20/B/1076 Reference (shelfmark): IOR/R/20/B/1076 Title: File C.4/9 1940 Con. Defence Scheme: Passive Air Defence Scheme; Indent for stores required in connection with Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1939-Oct 1941 Extent: 1 file
17. IOR/R/20/B/1077 Reference (shelfmark): IOR/R/20/B/1077 Title: File C.4/10 1939 Sec. Defence Scheme: Proceedings of Defence Conference at Air Headquarters, Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1939 Extent: 1 file
18. IOR/R/20/B/1078 Reference (shelfmark): IOR/R/20/B/1078 Title: File C.4/11 1938 Sec. Defence Scheme: Report on Passive Air Defence of Aden by Mr G S Hewitt. Air Raid Commandant for Aden Colony Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1939-Jun 1940 Extent: 1 file
19. IOR/R/20/B/1079 Reference (shelfmark): IOR/R/20/B/1079 Title: File C.4/11 1940 Sec. Defence Scheme: Report on Passive Air Defence of Aden by Mr G S Hewitt Air Raid Commandant for Aden Colony Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1940-Mar 1942 Extent: 1 file
20. IOR/R/20/B/1080 Reference (shelfmark): IOR/R/20/B/1080 Title: File C.4/12 1938 Sec. Defence Scheme: Perim Defence Scheme 1937 Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1938-Nov 1939 Extent: 1 file