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• Catalogue level

  Piece

  Accessions administration: HW 32

  Accessions administration: HW 32

  Held by

  The National Archives, Kew

  Date

  2000 Jan 1 - 2001 Dec 31

  Reference

  PRO 57/15763

• Catalogue level

  Item

  Appendix K: Washington (see HW 15/32 for message texts)

  Appendix K: Washington (see HW 15/32 for message texts)

  Held by

  The National Archives, Kew

  Date

  1940-1948

  Reference

  HW 15/60/11

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  -c30">HW 30; Diplomatic and Commercial Section HW 32; German diplomatic communications HW 36; Diplomatic and Commercial Sections

  Held by
  Date
  1914-1979
  Reference

• Catalogue level

  Piece

  Commercial messages passed over diplomatic channels

  Commercial messages passed over diplomatic channels

  Held by

  The National Archives, Kew

  Date

  1944 Oct 01-1944 Oct 31

  Reference

  HW 32/32

• Catalogue level

  Series

  Government Code and Cypher School: Diplomatic and Commercial Sections: Reports of...

  This series comprises messages passing between governments and their legal representatives abroad. The COM file series had the same Top Secret classification as the BJ file in which diplomatic traffic was issued, and was subject to the same condition…

  Held by

  Date

  1942-1945

  Reference

  HW 32

• Catalogue level

  Item

  Washington: ("RAIDER's" information on the US aviation industry).

  Washington: ("RAIDER's" information on the US aviation industry).

  Held by

  The National Archives, Kew

  Date

  1945 June 29

  Reference

  HW 15/32/32

• Catalogue level

  Piece

  Army and Air Force Sigint Organisation for Western Front (chronological summaries...

  Army and Air Force Sigint Organisation for Western Front (chronological summaries of Q/2006, Q/2007, Q/2045 and of various 'Q' and MI8 records). Notes on preparations, June 1942 - June 1944; organisational changes of the GC&CS sections after D-Da…

  Held by

  The National Archives, Kew

  Date

  1942 Jun 14 - 1945 Apr 30

  Reference

  HW 50/32

• Catalogue level

  Piece

  Letter from Cdr Travis to Nigel de Grey, recounting his recollections of the search...

  Letter from Cdr Travis to Nigel de Grey, recounting his recollections of the search to find a means of speeding up Bombes in 1941

  Held by

  The National Archives, Kew

  Date

  1941 Jan 01 - 1950 Jan 17

  Reference

  HW 25/32

• Catalogue level

  Piece

  Notes on Russian cyphers

  Notes on Russian cyphers

  Held by

  The National Archives, Kew

  Date

  1940 Dec 01 - 1941 Jan 03

  Reference

  HW 51/32

• Catalogue level

  Piece

  Romanian Police reports on political and security matters including clashes between...

  Romanian Police reports on political and security matters including clashes between Soviet troops and Romanians, and crimes committed by Soviet troops

  Held by

  The National Archives, Kew

  Date

  1946 Jan 08 - 1946 Mar 01

  Reference

  HW 75/32

• Catalogue level

  Piece

  Summary of German sea transport activity (nos 56-76)

  Summary of German sea transport activity (nos 56-76)

  Held by

  The National Archives, Kew

  Date

  1943 Jun 23-1943 Dec 25

  Reference

  HW 18/32

• Catalogue level

  Piece

  MGB (Soviet Ministry of State Security) Traffic: Moscow with Washington, USA. (Described...

  MGB (Soviet Ministry of State Security) Traffic: Moscow with Washington, USA. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1945 Mar 28-1946 Nov 19

  Reference

  HW 15/32

• Catalogue level

  Piece

  Decrypts of intercepted diplomatic communications. Afghanistan: 9677, 9708, 9719,...

  Decrypts of intercepted diplomatic communications. Afghanistan: 9677, 9708, 9719, 9755, 9777-9778, 9786, 9802-9803, 9838, 9850, 9885. Brazil: 9801. Chile: 9828, 9837. France: 9785. Germany: 9680, 9693, 9722, 9807, 9829, 9886. Greece: 9681-9685, 9694-…

  Held by

  The National Archives, Kew

  Date

  1922 Mar

  Reference

  HW 12/32

• Catalogue level

  Piece

  Co-operation with the US Army Sigint Organisation based at Arlington Hall, Washington

  Co-operation with the US Army Sigint Organisation based at Arlington Hall, Washington

  Held by

  The National Archives, Kew

  Date

  1944 Sep 01 - 1944 Dec 31

  Reference

  HW 57/32

• Catalogue level

  Piece

  GC&CS Naval Cryptanalytic Studies Volume VII: Japanese Systems II by H R Foss

  GC&CS Naval Cryptanalytic Studies Volume VII: Japanese Systems II by H R Foss

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/32

• Catalogue level

  Piece

  Security of electronic communications

  Security of electronic communications

  Held by

  Creating government department or its successor

  Date

  1954 Aug-1955 June

  Reference

  HW 9/32

• Catalogue level

  Piece

  Plus Baltic

  Plus Baltic

  Held by

  The National Archives, Kew

  Date

  Sept 26 1941-Oct 4 1941

  Reference

  HW 5/32

• Catalogue level

  Piece

  GC&CS miscellaneous papers: IE [Information Exchange] Production of Books and Dictionaries...

  GC&CS miscellaneous papers: IE [Information Exchange] Production of Books and Dictionaries 1943-1945

  Held by

  The National Archives, Kew

  Date

  1943 Jan 08 - 1945 Dec 13

  Reference

  HW 62/32

• Catalogue level

  Piece

  Vol. XIX Western Europe and the Baltic by Lieutenant Commander L A Griffiths, RNVR

  Vol. XIX Western Europe and the Baltic by Lieutenant Commander L A Griffiths, RNVR

  Held by

  The National Archives, Kew

  Date

  1939 - 1945

  Reference

  HW 11/32

• Catalogue level

  Piece

  Commercial messages passed over diplomatic channels

  Commercial messages passed over diplomatic channels

  Held by

  The National Archives, Kew

  Date

  1942 May 01-1942 May 31

  Reference

  HW 32/3