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• See HW 15/22 1944 May 5

  Held by

  The National Archives, Kew

  Date

  1944 July 12

  Reference

  HW 15/24/22

• See HW 15/22 1944 May 22

  Held by

  The National Archives, Kew

  Date

  1944 Dec 4-1944 Dec 5

  Reference

  HW 15/27/47

• See HW 15/22, 1944 May 3

  Held by

  The National Archives, Kew

  Date

  1944 Dec 23

  Reference

  HW 15/27/76

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Government Code and Cypher School: Naval, Air and Military Sections: Reports of Spanish...

  Held by

  The National Archives, Kew

  Date

  1936-1945

  Reference

  HW 22

• Movement of Spanish warships

  Held by

  The National Archives, Kew

  Date

  1945 Sep 01-1945 Sep 30

  Reference

  HW 22/22

• New York: "TALENT's" reactions to refusal of large-scale aid.

  Held by

  The National Archives, Kew

  Date

  1944 May 4

  Reference

  HW 15/22/22

• German exploitation of Russian Army communications. Prisoner of war reports

  Held by

  Creating government department or its successor

  Date

  1945 Aug 27 - 1946 Jun 24

  Reference

  HW 40/22

• Weekly reports on Second World War German army and air force communications

  Held by

  The National Archives, Kew

  Date

  1944 Jan 21-1944 Feb 17

  Reference

  HW 45/22

• Liaison on meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1942 Feb 01 - 1942 Oct 31

  Reference

  HW 57/22

• GC&CS Naval Sigint Volume XII: General Intelligence by Frank Birch and Cmdr A M S...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/22

• Internal structure of GCCS

  Held by

  The National Archives, Kew

  Date

  1936-1945

  Reference

  HW 3/22

• JCC minutes; GCCS staff matters, problems and promotions; weekly reports on state...

  Held by

  The National Archives, Kew

  Date

  1941 Nov 1-15

  Reference

  HW 14/22

• Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial...

  Held by

  The National Archives

  Date

  1942 Jul 08-1942 Jul 15

  Reference

  HW 20/22

• Commercial messages sent in private company codes

  Held by

  The National Archives, Kew

  Date

  1945 Mar 01-1945 Mar 31

  Reference

  HW 31/22

• GCU Northwood signal regarding San Carlos

  Held by

  The National Archives, Kew

  Date

  1982 May 16 - 1982 May 16

  Reference

  HW 92/22

• DSH 12 letters. Correspondence of DD(C), A G Denniston, Head of Diplomatic and Commercial...

  Held by

  The National Archives, Kew

  Date

  1943 Jan 26 - 1945 Apr 23

  Reference

  HW 53/22

• Daily narratives of German bomber activity.

  Held by

  The National Archives, Kew

  Date

  1945 May 01-1945 May 10

  Reference

  HW 2/22

• Czech State Security activities and organisation

  Held by

  The National Archives, Kew

  Date

  1948 Feb 05 - 1948 Dec 01

  Reference

  HW 75/22

• Operations in Europe

  Held by

  The National Archives, Kew

  Date

  1945 Apr 13-1946 Mar 08

  Reference

  HW 34/22