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• Catalogue level

  Piece

  Accessions administration: HW 46

  Accessions administration: HW 46

  Held by

  The National Archives, Kew

  Date

  2002 Jan 1 - 2002 Dec 31

  Reference

  PRO 57/15776

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  >, army decrypts HW 33, military attachees decrypts HW 34, and military intelligence decrypts HW 46; Japanese Section correspondence

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

  Government Code and Cypher School: Japanese Military Intelligence Section: Reports...

  This series contains reports, including summary reports and orders of battle, issued by the Japanese Military Intelligence Section concerned with the activities and organisation of Japanese land forces during 1944 and 1945 derived from intercepted co…

  Held by

  The National Archives, Kew

  Date

  1943-1945

  Reference

  HW 46

• Catalogue level

  Piece

  PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records...

  PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records Section at Bletchley Park headed by Professor Vincent]. Details of diplomatic cypher systems

  Held by

  The National Archives, Kew

  Date

  1942 Dec 28 - 1944 Jul 05

  Reference

  HW 53/46

• Catalogue level

  Piece

  RAF Y France 1939-1940. AASF [Advanced Air Strike Force] Y Section Organisation and...

  RAF Y France 1939-1940. AASF [Advanced Air Strike Force] Y Section Organisation and Establishment; I de M [Isle de Sainte Marguerite] Organisation and Establishment; Liaison - Greece (RAF Y Unit). Notes on histories of RAF Y units. AASF Y Section for…

  Held by

  The National Archives, Kew

  Date

  1939 Sep 14 - 1941 Apr 03

  Reference

  HW 50/46

• Catalogue level

  Piece

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

  Enemy exploitation of British Army low grade codes and cyphers: miscellaneous reports and correspondence

  Held by

  The National Archives, Kew

  Date

  1943 Sep 26 - 1943 Nov 30

  Reference

  HW 40/46

• Catalogue level

  Piece

  Reports teleprinted from Malta to the Air Ministry and passed to the Government Code...

  Reports teleprinted from Malta to the Air Ministry and passed to the Government Code and Cypher school giving details of enemy air activity and the results of British air operations

  Held by

  The National Archives, Kew

  Date

  1942 Jul 01-1942 Dec 31

  Reference

  HW 41/46

• Catalogue level

  Piece

  Reports in the series QT/7001 to QT/7250.

  Reports in the series QT/7001 to QT/7250.

  Held by

  The National Archives

  Date

  1942 Nov 26-1942 Nov 29

  Reference

  HW 20/46

• Catalogue level

  Piece

  Reports based on messages sent on the Italian naval command network NOTE : see also...

  Reports based on messages sent on the Italian naval command network NOTE : see also DEFE 3/893

  Held by

  The National Archives, Kew

  Date

  1942 Dec 17-1943 Aug 27

  Reference

  HW 18/46

• Catalogue level

  Piece

  Decrypts of intercepted diplomatic communications. Afghanistan: 13174-13175, 13180,...

  Decrypts of intercepted diplomatic communications. Afghanistan: 13174-13175, 13180, 13204, 13216, 13261, 13308, 13393-13394. Brazil: 13402. France: 13166-13169, 13183-13187, 13195-13197, 13210, 13217-13219, 13225, 13233, 13241-13243, 13256-13258, 132…

  Held by

  The National Archives, Kew

  Date

  1923 May

  Reference

  HW 12/46

• Catalogue level

  Piece

  Reports on Japanese military activity and organisation in South East Asia and India

  Reports on Japanese military activity and organisation in South East Asia and India

  Held by

  The National Archives, Kew

  Date

  1944 Mar 17-1944 Nov 06

  Reference

  HW 46/7

• Catalogue level

  Piece

  Hairdressing facilities at Bletchley Park

  Hairdressing facilities at Bletchley Park

  Held by

  The National Archives, Kew

  Date

  1943 May 24 - 1945 Jan 10

  Reference

  HW 64/46

• Catalogue level

  Piece

  Cryptographic Security: Alphabet generators including ROLLICK II.

  Cryptographic Security: Alphabet generators including ROLLICK II.

  Held by

  The National Archives, Kew

  Date

  1954 Mar-1955 Nov

  Reference

  HW 9/46

• Catalogue level

  Piece

  GC&CS Army and Air Force Sigint Volume III: The Organisation and Evolution of British...

  GC&CS Army and Air Force Sigint Volume III: The Organisation and Evolution of British Army Sigint III. Documents Relating to Policy and Administration

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/46

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Aug 16-1940 Aug 23

  Reference

  HW 29/46

• Catalogue level

  Piece

  The Handling of Naval Special Intelligence

  The Handling of Naval Special Intelligence

  Held by

  The National Archives, Kew

  Date

  1940 Apr 26-1945 Apr 22

  Reference

  HW 8/46

• 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 17 1941-Dec 20 1941

  Reference

  HW 5/46

• Catalogue level

  Piece

  Postal address numbers of Italian Aerodromes

  Postal address numbers of Italian Aerodromes

  Held by

  The National Archives, Kew

  Date

  1943 Jan 21

  Reference

  HW 21/46

• Catalogue level

  Piece

  Commercial messages passed over diplomatic channels

  Commercial messages passed over diplomatic channels

  Held by

  Creating government department or its successor

  Date

  1945 Sep 01-1945 Sep 30

  Reference

  HW 32/46

• Catalogue level

  Piece

  Cheadle Swastikas

  Cheadle Swastikas

  Held by

  The National Archives, Kew

  Date

  1942 Dec 26-1945 Apr 06

  Reference

  HW 2/46