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• Dossier of Papers on the Distribution and Handling of Intelligence from Diplomatic...

  Held by

  The National Archives, Kew

  Date

  1941 Dec 01 - 1945 Jul 30

  Reference

  HW 50/19

• Mediterranean and Caucasus Y Plan. Notes on planning of Sigint support for operations

  Held by

  The National Archives, Kew

  Date

  1942 Nov 27 - 1943 Sep 14

  Reference

  HW 50/44

• Dossier on V Weapons - VERA Traffic. Notes concerning intelligence on the German...

  Held by

  The National Archives, Kew

  Date

  1943 Sep 25 - 1945 Jan 09

  Reference

  HW 50/56

• Use of private cars, motor cycles and pedal cycles for official business

  Held by

  The National Archives, Kew

  Date

  1940 Sep 21 - 1942 Oct 21

  Reference

  HW 64/50

• GC&CS Army and Air Force Sigint Volume VII: German Cryptographic Systems and their...

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/50

• Details of the German fighter patrol code book derived from traffic analysis and...

  Held by

  The National Archives, Kew

  Date

  1941 May 02-1943 Jul 12

  Reference

  HW 45/50

• Hut 6 Reports. Historical notes on the Army and Air crypt section

  Held by

  The National Archives, Kew

  Date

  1939 Sep 12 - 1945 Apr 28

  Reference

  HW 50/61

• Foreign Office case to Treasury supporting bid to increase pay of GCCS morse expert,...

  Held by

  The National Archives, Kew

  Date

  1925

  Reference

  HW 3/50

• Soviet Comintern messages: Service 133: Moscow to and from Poland, 25/1/1944-13/07/1944....

  Held by

  The National Archives, Kew

  Date

  1943 Oct 29-1944 Oct 22

  Reference

  HW 17/50

• Italian Air Transport Services: civil aircraft markings

  Held by

  The National Archives, Kew

  Date

  1943 Mar 10

  Reference

  HW 21/50

• Decrypts of Japanese army and army air force messages

  Held by

  The National Archives, Kew

  Date

  1944 Aug 01-1945 Jun 10

  Reference

  HW 52/50

• Communications security

  Held by

  The National Archives, Kew

  Date

  1943 Sep 03 - 1943 Oct 27

  Reference

  HW 51/50

• Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1944 Aug 09-1944 Oct 31

  Reference

  HW 28/50

• Minutes of the Meeting of the Editorial Committee of the Naval Section History with...

  Held by

  The National Archives, Kew

  Date

  1945 Jun 12 - 1947 Nov 11

  Reference

  HW 50/2

• Dossiers on ENIGMA. Historical notes on the cryptographic attack on ENIGMA. Uncle...

  Held by

  The National Archives, Kew

  Date

  1936 Apr 28 - 1945 May 06

  Reference

  HW 50/69

• Historical War Records. Draft history of World War II Sigint

  Held by

  The National Archives, Kew

  Date

  1942 Mar 01 - 1945 Aug 30

  Reference

  HW 50/21

• War Office Stations at Kedleston Hall and Bishops Waltham. Historical notes on two...

  Held by

  The National Archives, Kew

  Date

  1942 May 28 - 1944 Nov 30

  Reference

  HW 50/82

• Dossier on Army Sigint and War Office - Functions, Organisation and Establishment....

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01 - 1945 Sep 30

  Reference

  HW 50/40

• Dossier on Russian Liaison. Notes on Sigint cooperation with the Russians during...

  Held by

  The National Archives, Kew

  Date

  1941 Jun 01 - 1945 Feb 10

  Reference

  HW 50/11

• Dossier on EXOTICS (covername for W/T traffic from all countries other than Germany...

  Held by

  Creating government department or its successor

  Date

  1944 Aug 03 - 1945 Sep 20

  Reference

  HW 50/23