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• Name: HW Bromell. Service number: 1786888/1. Date of birth: 11 November 1905.

  Held by

  The National Archives, Kew

  Date

  [1939-1963]

  Reference

  WO 423/666000

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Exchanges between Admiralty and British Naval Attaché Washington on events related...

  Held by

  The National Archives, Kew

  Date

  1917 Feb-Mar

  Reference

  HW 3/178

• Name: Norman [HW] Goldsmith. Date of Birth: 5/11/1911. Place of Birth: Norwich....

  Held by

  The National Archives, Kew

  Date

  [1939-1945]

  Reference

  WO 416/141/378

• Government Code and Cypher School: World War II Official Histories

  Held by

  The National Archives, Kew

  Date

  1938-1945

  Reference

  HW 11

• Vol. XI Special Studies

  Held by

  The National Archives, Kew

  Date

  1939 - 1945

  Reference

  HW 11/11

• Decrypts of Comintern messages: Moscow, USSR, with Copenhagen, Denmark. (Described...

  Held by

  The National Archives, Kew

  Date

  1936 Jan-1937 Jan

  Reference

  HW 17/11

• First Sea Lord (ISL) response to queries on Naval Headlines 11

  Held by

  The National Archives, Kew

  Date

  1941 July 4

  Reference

  HW 1/11

• Amendment No. 4 to the Appendices to the UKUSA Agreement (Third Edition) Overview...

  Held by

  The National Archives, Kew

  Date

  1953-1956

  Reference

  HW 80/11

• P/YB/113/FF Security ULTRA, Time Lag in Dissemination of ULTRA. P/YB/113/EE Dissemination...

  Held by

  The National Archives, Kew

  Date

  1944 Feb 08 - 1945 Aug 13

  Reference

  HW 69/11

• Development of circuits carrying US communications in the UK

  Held by

  The National Archives, Kew

  Date

  1942 Aug 29 - 1944 Nov 07

  Reference

  HW 59/11

• Correspondence and notes on Japanese meteorological codes

  Held by

  The National Archives, Kew

  Date

  1944 Mar 21 - 1945 Aug 19

  Reference

  HW 54/11

• Reports in the series MK/3001 to MK/3500.

  Held by

  The National Archives

  Date

  1942 Mar 01-1942 Mar 18

  Reference

  HW 20/11

• Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1943 Aug 23-1943 Sep 10

  Reference

  HW 35/11

• Selected folios from registry file including: GCO (S) signal regarding Tebedu incursion;...

  Held by

  The National Archives, Kew

  Date

  1966 Feb 19 - 1966 Aug 1

  Reference

  HW 92/11

• GCCS annual report for 1940, overview by AGD for C together with individual section...

  Held by

  The National Archives, Kew

  Date

  1941 Jan 22-31

  Reference

  HW 14/11

• Signals intelligence organisation in India

  Held by

  The National Archives, Kew

  Date

  1944 Apr 01 - 1945 May 13

  Reference

  HW 61/11

• The Battle of the Atlantic Operational Intelligence Centre Special Summary. This...

  Held by

  The National Archives, Kew

  Date

  1939 - 1945

  Reference

  HW 11/38

• Decrypts of intercepted diplomatic communications. Argentina: 3205. Denmark: 3208....

  Held by

  The National Archives, Kew

  Date

  1920 June 22-1920 July 10

  Reference

  HW 12/11

• STARK 282-311

  Held by

  The National Archives, Kew

  Date

  1945 Apr 01-1945 Apr 30

  Reference

  HW 39/11