Catalogue search results

Filters

Results

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Government Code and Cypher School: Research Section: Memoranda, Minutes and Weekly...

  Held by

  The National Archives, Kew

  Date

  1941-1944

  Reference

  HW 78

• Notes on ISSIS [Inter-Service Special Intelligence School] and Japanese NS [Naval...

  Held by

  The National Archives, Kew

  Date

  1940 Oct 16 - 1945 Nov 10

  Reference

  HW 50/78

• N.S.IIIJ Memorandum 1-9. Intelligence and technical notes in support of the watch...

  Held by

  The National Archives, Kew

  Date

  1943 Dec 01-1944 Mar 26

  Reference

  HW 8/78

• Signals containing results of interrogations by counter intelligence officers of...

  Held by

  The National Archives, Kew

  Date

  1944 Jan 01-1945 Jan 31

  Reference

  HW 41/78

• Reports in the series VM/5001 to VM/5250.

  Held by

  The National Archives

  Date

  1943 Feb 26-1943 Mar 01

  Reference

  HW 20/78

• Decrypts of medium/low grade German naval cypher messages

  Held by

  The National Archives, Kew

  Date

  1944 Apr 22-1944 Jun 28

  Reference

  HW 18/78

• PS Milner-Barry to deputise for WG Welchman as Head of Hut 6 June 1, Milner-Barry...

  Held by

  The National Archives, Kew

  Date

  1943 June 1-10

  Reference

  HW 14/78

• Research Section: minutes of meetings of Directing Sub-Committee, memoranda including...

  Held by

  The National Archives, Kew

  Date

  1941 Apr 08 - 1942 Jan 23

  Reference

  HW 78/1

• German section: reports of German army and air force high grade machine decrypts

  Held by

  The National Archives, Kew

  Date

  Apr 2 1942-Apr 5 1942

  Reference

  HW 5/78

• Comintern messages: LONDON AND BERLIN concerning despatch of money to Indian revolutionary...

  Held by

  The National Archives, Kew

  Date

  1932 June 11

  Reference

  HW 17/78

• Research Section weekly reports

  Held by

  The National Archives, Kew

  Date

  1943 Mar 01 - 1944 Jan 18

  Reference

  HW 78/2

• Yugoslav Army Field Post Number messages. Yugoslav Navy messages concerning personalities....

  Held by

  The National Archives, Kew

  Date

  1949 Jan 04 - 1950 Aug 14

  Reference

  HW 75/78

• Enemy pulse and VHF transmissions

  Held by

  The National Archives, Kew

  Date

  1940 Mar 23-1942 Aug 17

  Reference

  HW 2/78

• Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1945 Mar 17-1945 Jul 19

  Reference

  HW 28/78

• 92433-93242

  Held by

  The National Archives, Kew

  Date

  1945 Jan 17-1945 Jan 31

  Reference

  HW 19/78

• Reports on GAF Western Front Defences

  Held by

  The National Archives, Kew

  Date

  1944 Jan 1-1944 Feb 26

  Reference

  HW 13/78

• Anti-aircraft 3rd Brigade to move to Romania for operations in Ploesti area: anti-aircraft...

  Held by

  The National Archives, Kew

  Date

  1941 Sept 20

  Reference

  HW 1/78

• Bletchley Park recreational club

  Held by

  The National Archives, Kew

  Date

  1942 Oct 01 - 1944 Mar 31

  Reference

  HW 64/78

• Commercial reports

  Held by

  The National Archives, Kew

  Date

  1941 Feb 19-1941 Feb 28

  Reference

  HW 29/78