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• Catalogue level

  Series

  GCHQ: Government Communications Headquarters website

  This series contains dated gathered versions (or 'snapshots') of the GCHQ: Government Communications Headquarters website. [Please note: These records may be accessed via the UK Government Web Archive using the links listed below (for a general expla…

  Held by

  The National Archives, Kew

  Date

  From 2008

  Reference

  HW 79

• Catalogue level

  Series

  Special Operations Executive: Personnel Files (PF Series)

  This series contains personnel files of SOE agents and staff. The files may contain papers dealing with the service records of individuals, including medical reports, appraisals of performance and suitability for particular roles, as well as passport…

  Held by

  The National Archives, Kew

  Date

  1939-1946

  Reference

  HS 9

• Catalogue level

  Series

  War Office: Directorate of Military Operations and Intelligence, and Directorate...

  The series consists of records of the Directorate of Military Intelligence as established in 1939, together with some inherited from the former Directorate of Military Operations and Intelligence.Additional sections were formed during the course of t…

  Held by

  The National Archives, Kew

  Date

  1917-1990

  Reference

  WO 208

• Catalogue level

  Series

  Government Code and Cypher School and Government Communications Headquarters: Venona...

  The series contains reports by a joint UK-US team to UK intelligence authorities consisting of translations of decrypted messages passing between the Soviet Foreign Ministry and its missions abroad. The bulk of the messages were originated by the Sov…

  Held by

  The National Archives, Kew

  Date

  1940-1949

  Reference

  HW 15

• Catalogue level

  Series

  Ministry of Defence: Joint Intelligence Bureau and Defence Intelligence Staff: Intelligence...

  The series consists of a collection of reports and papers produced by some of the many intelligence conferences or working parties in which the Joint Intelligence Bureau and Defence Intelligence Staff participated, often in collaboration with the Uni…

  Held by

  The National Archives, Kew

  Date

  1959 - 1975

  Reference

  DEFE 65

• Catalogue level

  Series

  Home Office: Security Planning

  The subjects covered in this series relate to national security and counter-terrorism, including security threats to the United Kingdom as well as the planning of civil defence and emergency preparedness measures. eries consists of policy work relati…

  Held by

  The National Archives, Kew

  Date

  1919-1995

  Reference

  HO 532

• Catalogue level

  Series

  Commonwealth Relations Office and Commonwealth Office: Security and Intelligence...

  This collection of records was created by the groups of officials within the Commonwealth Relations Office (later Commonwealth Office) who were responsible for the department's relations with the UK security and intelligence services. Due to the sens…

  Held by

  The National Archives, Kew

  Date

  1942-1962

  Reference

  DO 231

• Catalogue level

  Series

  Ministry of Defence - Defence Intelligence Staff: Director General of Intelligence,...

  This series contains registered files from various offices. From the Director-General of Intelligence (DGI), later (1984) Chief of Defence Intelligence (CDI), and his deputy (until 1984), the Deputy Chief of Defence Staff (Intelligence) (DCDS(I)). Fr…

  Held by

  The National Archives, Kew

  Date

  1951-2002

  Reference

  DEFE 31

• Catalogue level

  Series

  Admiralty, Inter-service Topographical Department, and Ministry of Defence, Joint...

  This series comprises reports, surveys, maps, plans, and photographs of places and areas in theatres of war in Europe, Asia, Africa, the Atlantic, and the Pacific. The reports were compiled for use in strategic and tactical planning, and comprise inf…

  Held by

  The National Archives, Kew

  Date

  1913-1968

  Reference

  WO 252

• Catalogue level

  Series

  War Cabinet: Joint Intelligence Committee, Inter-Services Security Board: Minutes

  The series consists of agenda and minutes dating from February 1940 to June 1945.

  Held by

  The National Archives, Kew

  Date

  1940-1945

  Reference

  WO 283

• Catalogue level

  Series

  Cabinet Office: Central Intelligence Machinery: Joint Intelligence Committee (B)...

  This series comprises the minutes, memoranda, Secretariat minutes and notes of the Joint Intelligence Committee (B) during the period 1 April 1968 to 30 September 1974 and thereafter of the Overseas Economic Intelligence Committee.

  Held by

  The National Archives, Kew

  Date

  1968-1981

  Reference

  CAB 188

• Catalogue level

  Series

  Ministry of Defence and Cabinet Office: Central Intelligence Machinery: Joint Intelligence...

  This series contains the memoranda issued by the Joint Intelligence Committee (Joint Intelligence Sub-committee until 31 December 1947).Some 1947 and 1948 memoranda carry an '(O)' suffix indicating that they were concerned with operational matters.

  Held by

  The National Archives, Kew

  Date

  1946-1968

  Reference

  CAB 158

• Catalogue level

  Series

  Cabinet Office: Central Intelligence Machinery: Joint Intelligence Committee: Memoranda...

  This series comprises memoranda issued by the Joint Intelligence Committee (A).

  Held by

  The National Archives, Kew

  Date

  1969-1985

  Reference

  CAB 186

• Catalogue level

  Series

  Ministry of Defence: Directorate of Scientific Intelligence: Joint Intelligence Bureau:...

  Records relating to scientific intelligence. The files in this series include a number directly related to the activities of the Scientific and Technical Intelligence Branch (STIB) which worked in the British Zone, Germany, under the technical direct…

  Held by

  Date

  1946-1989

  Reference

  DEFE 21

• Catalogue level

  Department

  Records of Special Operations Executive

  The records of the Special Operations Executive (SOE), which functioned during the Second World War to promote sabotage and subversion and assist resistance groups in enemy occupied territory. Files relating to operations in the Far East are in HS 1,…

  Held by

  The National Archives, Kew

  Date

  1936-1992

  Reference

  HS

• Catalogue level

  Series

  Government Code and Cypher School: Commercial Section: Reports of Decrypted Messages...

  This series comprises compilations by the Commercial Section of messages passing between commercial organisations (firms, banks, etc.) world-wide.

  Held by

  Date

  1943-1945

  Reference

  HW 31

• Catalogue level

  Series

  Government Code and Cypher School: Hut 3: Intelligence Reports on German Plans for...

  This series contains intelligence reports derived from intercepted decrypted German messages concerning German plans for the sea-born invasion of Britain.

  Held by

  The National Archives, Kew

  Date

  1940-1941

  Reference

  HW 48

• Catalogue level

  Series

  Government Code and Cypher School: Japanese Commercial Section: Reports of Plain...

  This series contains reports from the Japanese Commercial Section comprising summaries of messages concerned with Japanese shipping movements and cargoes.

  Held by

  The National Archives, Kew

  Date

  1944-1945

  Reference

  HW 30

• Catalogue level

  Series

  Government Communications Headquarters: Early Computers: Reports

  Compilation reports describing the design and construction of early computers in GCHQ including the logical design and circuit operation of each basic unit of equipment.

  Held by

  The National Archives, Kew

  Date

  1949-1980

  Reference

  HW 76

• Catalogue level

  Series

  Government Code and Cypher School: Central Bureau, Brisbane: Reports

  This series contains surviving reports based on decrypts of intercepted Japanese army and air force communications made by the Central Bureau, Brisbane and sent to the Government Code and Cypher School.

  Held by

  Date

  1942-1945

  Reference

  HW 52