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  Piece

  GC&CS Secret Service Sigint Volume IV: Index and Glossary to Cryptographic Systems...

  GC&CS Secret Service Sigint Volume IV: Index and Glossary to Cryptographic Systems and their Solution

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/9

• Catalogue level

  Piece

  GC&CS Naval Sigint Volume VIII: German Cryptographic Systems and their Solution by...

  GC&CS Naval Sigint Volume VIII: German Cryptographic Systems and their Solution by J M Beaumont, C H O'D Alexander and W H Bruford

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/18

• Catalogue level

  Piece

  GC&CS Secret Service Sigint Volume III: Cryptographic Systems and their Solution....

  GC&CS Secret Service Sigint Volume III: Cryptographic Systems and their Solution. Hand Cyphers

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/8

• Catalogue level

  Piece

  GC&CS Army and Air Force Sigint Volume XII: Traffic Analysis - High Echelon - German...

  GC&CS Army and Air Force Sigint Volume XII: Traffic Analysis - High Echelon - German by J E S Cooper

  Held by

  Creating government department or its successor

  Date

  1926 Jan 01 - 1945 Aug 30

  Reference

  HW 43/55

• Catalogue level

  Piece

  Naval Communications; Weekly Reports.

  Naval Communications; Weekly Reports.

  Held by

  The National Archives, Kew

  Date

  1945 Feb 25-1945 Oct 03

  Reference

  HW 8/43

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Aug 10-1940 Aug 11

  Reference

  HW 29/43

• Catalogue level

  Piece

  German section: reports of German army and air force high grade machine decrypts

  German section: reports of German army and air force high grade machine decrypts

  Held by

  The National Archives, Kew

  Date

  Dec 7 1941-Dec 9 1941

  Reference

  HW 5/43

• Catalogue level

  Piece

  Allied Sigint Policy and Organisation by Nigel de Grey. Chapter V The Service Ministries;...

  Allied Sigint Policy and Organisation by Nigel de Grey. Chapter V The Service Ministries; Part I Admiralty (pages 1-52), Part II War Office (pages 53-101), Part III Air Ministry (pages 102-132); Chapter VI The Mediterranean Campaign (pages 1-204)

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01-1945 Aug 30

  Reference

  HW 43/77

• Catalogue level

  Piece

  GC&CS Naval Sigint Volume II: The Organisation and Evolution of British Naval Sigint...

  GC&CS Naval Sigint Volume II: The Organisation and Evolution of British Naval Sigint by Frank Birch. Part 1 (continued) The Making of Sigint

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/11

• Catalogue level

  Piece

  The History of British Sigint 1914-1945. Vol III: 'Appendices', by Monica Zambra,...

  The History of British Sigint 1914-1945. Vol III: 'Appendices', by Monica Zambra, containing diagrams and terms of reference for Sigint organisations. Chapter II, 'The Ministries' and Chapter III, 'GC&CS' are of particular interest. Frank Birch, …

  Held by

  The National Archives, Kew

  Date

  1940 Jan 01-1945 Aug 31

  Reference

  HW 43/3

• Catalogue level

  Piece

  GC&CS Naval Sigint Volume III: The Organisation and Evolution of British Naval Sigint...

  GC&CS Naval Sigint Volume III: The Organisation and Evolution of British Naval Sigint by Frank Birch. Part 2 The Handling of Sigint

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/12

• Catalogue level

  Piece

  The Sixta History. Appendix I (Second Part)

  The Sixta History. Appendix I (Second Part)

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/85

• Catalogue level

  Piece

  The Sixta History. Appendices to Section A

  The Sixta History. Appendices to Section A

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 May 30

  Reference

  HW 43/83

• Catalogue level

  Piece

  Reports of decrypts of Japanese military attachés messages

  Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1944 Jun 21-1944 Jun 27

  Reference

  HW 35/43

• Catalogue level

  Piece

  Romanian Special Service of Information reports on political, security and economic...

  Romanian Special Service of Information reports on political, security and economic matters

  Held by

  The National Archives, Kew

  Date

  1947 May 07 - 1947 Jun 05

  Reference

  HW 75/43

• Catalogue level

  Piece

  Reports of Japanese naval air decrypts

  Reports of Japanese naval air decrypts

  Held by

  The National Archives, Kew

  Date

  1945 Jul 01-1945 Jul 27

  Reference

  HW 27/43

• Catalogue level

  Piece

  Reports of Japanese army air decrypts with subject headers

  Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1944 Jun 16-1944 Aug 31

  Reference

  HW 28/43

• Catalogue level

  Piece

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

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

  Held by

  The National Archives, Kew

  Date

  1944 Dec 02-1944 Dec 23

  Reference

  HW 45/43

• Catalogue level

  Piece

  Historical War Records, Volume I Alphabetical Catalogue, compiled by Monica Zambra....

  Historical War Records, Volume I Alphabetical Catalogue, compiled by Monica Zambra. GC&CS war records from beginning of the First to the end of the Second World War

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01 - 1945 Aug 30

  Reference

  HW 43/80

• Catalogue level

  Piece

  Shelf List of GC&CS History and War Records Catalogue of historical records held...

  Shelf List of GC&CS History and War Records Catalogue of historical records held by GC&CS (undated)

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01 - 1945 Aug 30

  Reference

  HW 43/79