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• Accessions administration: HW 19

  Held by

  The National Archives, Kew

  Date

  1999 Jan 1 - 2002 Dec 31

  Reference

  PRO 57/15752

• Government Code and Cypher School: ISOS Section and ISK Section: Decrypts of German...

  Held by

  The National Archives, Kew

  Date

  1939-1945

  Reference

  HW 19

• 11114-11410: 11133: Special handling of English agents. 1136 and 11285: SKANDERBEG...

  Held by

  The National Archives, Kew

  Date

  1944 Jun 01-1944 Jun 30

  Reference

  HW 19/245

• 3369-3767. 3581: Himmler orders French woman and her French acquaintance, inventor...

  Held by

  The National Archives, Kew

  Date

  1944 Jul 01-1944 Nov 21

  Reference

  HW 19/276

• RIS 1-35: these reports on the Abwehr and Sicherheitsdienst were written by Capt....

  Held by

  The National Archives, Kew

  Date

  1943 Jun 05-1945 Jan 31

  Reference

  HW 19/347

• Special "ONION" reports, based on CX/JQ material (see HW 5/16/19) for Dr R V Jones

  Held by

  The National Archives, Kew

  Date

  1941 May 26 - June 16

  Reference

  HW 5/724

• 9592-10190: 9598 and 9898: JEVDJEVIC organisation in Rome directed against Germans....

  Held by

  The National Archives, Kew

  Date

  1944 Feb 01-1944 Feb 29

  Reference

  HW 19/242

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• 15088-16135

  Held by

  The National Archives, Kew

  Date

  1941 Dec 01-1941 Dec 15

  Reference

  HW 19/19

• New York: Probationers in the "IZBA" and "RATsIYa": "ZAYaTs", "KOKh", "OSTOROZhNYJ",...

  Held by

  The National Archives, Kew

  Date

  1943 June 8

  Reference

  HW 15/19/19

• Decrypts of Comintern messages: Moscow, USSR, with London, Great Britain. (Described...

  Held by

  The National Archives, Kew

  Date

  1935 July-1935 Dec

  Reference

  HW 17/19

• C to LPS: summary of BONIFACE reports on Nikolaev, Smolensk, Odessa sectors/fronts

  Held by

  The National Archives, Kew

  Date

  1941 Aug 12

  Reference

  HW 1/19

• Cheadle War Orders.

  Held by

  The National Archives, Kew

  Date

  1939 Dec 06-1941 Jul 24

  Reference

  HW 2/19

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

  Held by

  Creating government department or its successor

  Date

  1945 Jun 26 - 1945 Sep 16

  Reference

  HW 40/19

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

  Held by

  The National Archives, Kew

  Date

  1943 Oct 22-1943 Nov 18

  Reference

  HW 45/19

• Naval Sub-section weekly confidential reports, volume II

  Held by

  The National Archives, Kew

  Date

  1945 Jan 05 - 1945 Dec 29

  Reference

  HW 77/19

• Guards at Bletchley Park, Drayton Parslow, Buckinghamshire and Knockholt, Kent

  Held by

  The National Archives, Kew

  Date

  1944 Apr 01 - 1946 Mar 16

  Reference

  HW 64/19

• Security of electronic communications

  Held by

  Creating government department or its successor

  Date

  1956 Mar-1963 May

  Reference

  HW 9/19

• GC&CS Naval Sigint Volume IX: Italian and Neutral Cryptographic Systems and their...

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/19

• Information on Indian Y Committee and Board

  Held by

  The National Archives, Kew

  Date

  1942 Jun 03 - 1943 Apr 19

  Reference

  HW 61/19