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• Catalogue level

  Item

  See HW 15/22 1944 May 5

  See HW 15/22 1944 May 5

  Held by

  The National Archives, Kew

  Date

  1944 July 12

  Reference

  HW 15/24/22

• Catalogue level

  Item

  See HW 15/22 1944 May 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

• Catalogue level

  Item

  See HW 15/22, 1944 May 3

  See HW 15/22, 1944 May 3

  Held by

  The National Archives, Kew

  Date

  1944 Dec 23

  Reference

  HW 15/27/76

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  military and civilian activity HW 22; Decrypts of Bulgarian military attache messages HW 24; Army section reports on Croatian military and naval activity

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

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

  Contains intelligence reports compiled from decrypted signals and other sources relating to the Spanish Civil War and to the Second World War. The series includes a very small amount of material on French and Portuguese naval forces. The reports are …

  Held by

  The National Archives, Kew

  Date

  1936-1945

  Reference

  HW 22

• Catalogue level

  Piece

  Movement of Spanish warships

  Movement of Spanish warships

  Held by

  The National Archives, Kew

  Date

  1945 Sep 01-1945 Sep 30

  Reference

  HW 22/22

• Catalogue level

  Item

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

  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

• Catalogue level

  Piece

  German exploitation of Russian Army communications. Prisoner of war reports

  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

• Catalogue level

  Piece

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

  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

• Catalogue level

  Piece

  Liaison on meteorological cyphers

  Liaison on meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1942 Feb 01 - 1942 Oct 31

  Reference

  HW 57/22

• Catalogue level

  Piece

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

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

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/22

• Catalogue level

  Piece

  Internal structure of GCCS

  Internal structure of GCCS

  Held by

  The National Archives, Kew

  Date

  1936-1945

  Reference

  HW 3/22

• Catalogue level

  Piece

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

  JCC minutes; GCCS staff matters, problems and promotions; weekly reports on state of world-wide UK E cover; weekly BP staff statistics quoting gains and losses; requirements for RAF computor officers and NCOs; terms of reference and staffing of Hut 3…

  Held by

  The National Archives, Kew

  Date

  1941 Nov 1-15

  Reference

  HW 14/22

• Catalogue level

  Piece

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

  Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial number MK/4071 was inserted between MK/8900 and MK/8901 on 13 July 1942.

  Held by

  The National Archives

  Date

  1942 Jul 08-1942 Jul 15

  Reference

  HW 20/22

• Catalogue level

  Piece

  Commercial messages sent in private company codes

  Commercial messages sent in private company codes

  Held by

  The National Archives, Kew

  Date

  1945 Mar 01-1945 Mar 31

  Reference

  HW 31/22

• Catalogue level

  Piece

  GCU Northwood signal regarding San Carlos

  GCU Northwood signal regarding San Carlos

  Held by

  The National Archives, Kew

  Date

  1982 May 16 - 1982 May 16

  Reference

  HW 92/22

• Catalogue level

  Piece

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

  DSH 12 letters. Correspondence of DD(C), A G Denniston, Head of Diplomatic and Commercial Section, Berkeley Street, London

  Held by

  The National Archives, Kew

  Date

  1943 Jan 26 - 1945 Apr 23

  Reference

  HW 53/22

• Catalogue level

  Piece

  Daily narratives of German bomber activity.

  Daily narratives of German bomber activity.

  Held by

  The National Archives, Kew

  Date

  1945 May 01-1945 May 10

  Reference

  HW 2/22

• Catalogue level

  Piece

  Czech State Security activities and organisation

  Czech State Security activities and organisation

  Held by

  The National Archives, Kew

  Date

  1948 Feb 05 - 1948 Dec 01

  Reference

  HW 75/22

• Catalogue level

  Piece

  Operations in Europe

  Operations in Europe

  Held by

  The National Archives, Kew

  Date

  1945 Apr 13-1946 Mar 08

  Reference

  HW 34/22