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• GC&CS Army and Air Force Sigint Volume XIX: Contents, General Index and Sources

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/62

• GC&CS Army and Air Force Sigint Volume X: Japanese Cryptographic Systems and their...

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/53

• Enemy exploitation of British Army high grade codes and cyphers: miscellaneous reports...

  Held by

  The National Archives, Kew

  Date

  1942 Jan 29 - 1945 Mar 21

  Reference

  HW 40/43

• The History of British Sigint 1914-1945. Vol I: Chapters I-XII. Period 1: 'Introductory,...

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01-1939 Aug 31

  Reference

  HW 43/1

• GC&CS Naval Sigint Volume V(a): The Organisation and Evolution of British Sigint...

  Held by

  The National Archives, Kew

  Date

  1924 Jan 01 - 1945 Aug 30

  Reference

  HW 43/13

• GC&CS Naval Sigint Volume VII: The German Navy's Use of Special Intelligence and...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/17

• GC&CS Naval Sigint Volume XI: The Processing of Decrypts by W G Ettinghausen and...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/21

• GC&CS Naval Sigint Volume XIII: Technical Intelligence and the Processing of Captured...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/23

• The Sixta History. Appendix I (First Part)

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/84

• GRU (Soviet Intelligence) Military Attaché Traffic: Moscow with London, United Kingdom....

  Held by

  The National Archives, Kew

  Date

  1940 Mar 3-1940 Dec 20

  Reference

  HW 15/43

• GC&CS Naval Cryptanalytic Studies Volume IX: The Japanese Fleet General Purpose System...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/34

• Reports in the series QT/6001 to QT/6500.

  Held by

  The National Archives

  Date

  1942 Nov 13-1942 Nov 19

  Reference

  HW 20/43

• Codeword Ultra to be used for all Sigint material previously referred to as Special;...

  Held by

  The National Archives, Kew

  Date

  1942 July 11-20

  Reference

  HW 14/43

• Soviet Comintern messages: Service 183: Moscow to and from Czechoslovakia. Moscow,...

  Held by

  The National Archives, Kew

  Date

  1944 Sept 23-1944 Dec 19

  Reference

  HW 17/43

• Co-operation with Russia on German codes

  Held by

  The National Archives, Kew

  Date

  1942 Feb 01 - 1943 Apr 30

  Reference

  HW 61/43

• The History of the Japanese Air Intelligence Section October 1943 to October 1945....

  Held by

  The National Archives, Kew

  Date

  1943 Oct 01 - 1945 Oct 31

  Reference

  HW 43/65

• The Sixta History. Section O, Appendices I-V

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/93

• The Sixta History. Appendix N, Supplements Six to Eleven

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/92

• The Sixta History. Appendix N, Supplements One to Two

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/89

• History of Japanese Traffic Analysis Section

  Held by

  The National Archives, Kew

  Date

  1942 May 01 - 1945 Aug 30

  Reference

  HW 43/66