The records of the Committee of Imperial Defence with its standing and ad hoc sub-committees. Also included are the records of the Minister for the Co-ordination of Defence in CAB 64
Minutes of the Committee and of the Standing Defence Sub-Committee (1921-1922) are in CAB 2. Circulated memoranda of the committee are in four series
- Home Defence (A Series): CAB 3
- Miscellaneous (B Series): CAB 4
- Colonial Defence (C Series): CAB 5
- Indian Defence (D Series): CAB 6.
The memoranda of the Standing Defence Sub-Committee are in CAB 34. Photocopies of minutes and papers of the committee until 1914 are in CAB 38. Files of the committee before December 1916 are in CAB 17. Some miscellaneous reports and papers, including those of the Joint Naval and Military Committee on Defence (1891-1903) are in CAB 18
The minutes of the Colonial Defence Committee from 1878, which became the Committee of Imperial Defence, Colonial (later Oversea) Defence Committee, are in CAB 7 and CAB 10. The memoranda of the committee are in CAB 8, CAB 9 and CAB 11
The records of the three other standing committees set up before the First World War will be found as follows: Home Ports (later Home) Defence Committee, CAB 12 and CAB 13; Air Committee, CAB 14; and Committee on the Co-ordination of Departmental Action on the Outbreak of War (including the War Books), CAB 15
The above standing committees, except the Air Committee, were revived after the First World War and the above series include their records to 1939. The records of other committees set up soon after the First World War, and which relate to organisation for war, are in the following series:
Committees relating to strategy and war planning are in the following series:
The records of the main supply committee, the Principal Supply Officers Committee, are in CAB 60, while those of the Oil Board are in CAB 50. The records of the principal committee on National Service are in CAB 57
Records of committees relating to specific overseas questions will be found for Industrial Intelligence in CAB 48 and for the Middle East in CAB 51
The records of ad hoc committees will be found in CAB 16 and committee lists are in CAB 59