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• Catalogue level

  Piece

  Accessions administration: HW 53

  Accessions administration: HW 53

  Held by

  The National Archives, Kew

  Date

  2003 Jan 1 - 2003 Dec 31

  Reference

  PRO 57/15781

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  ">HW 53; Intercepts of meteorological reports HW 54.

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

  Government Code and Cypher School: Diplomatic Section and Commercial Section: Records

  This series contains records of the Commercial and Diplomatic sections dealing with the acquisition, processing and distribution of diplomatic and commercial messages.

  Held by

  The National Archives, Kew

  Date

  1923-1945

  Reference

  HW 53

• Catalogue level

  Piece

  Commercial (Handling and Distribution). The section's liaison with Bletchley Park,...

  Commercial (Handling and Distribution). The section's liaison with Bletchley Park, War Department Washington, War Office and Ministry for Economic Warfare; some examples of intercepted commercial messages

  Held by

  The National Archives, Kew

  Date

  1941 Dec 07 - 1942 Sep 30

  Reference

  HW 53/53

• Catalogue level

  Item

  Moscow: (Inspection of ice-breaker `Stalin' by US authorised.)

  Moscow: (Inspection of ice-breaker `Stalin' by US authorised.)

  Held by

  The National Archives, Kew

  Date

  1943 Mar 9

  Reference

  HW 15/53/53

• Catalogue level

  Piece

  Liaison between Berkeley Street and Washington. Mainly correspondence on crypt matters

  Liaison between Berkeley Street and Washington. Mainly correspondence on crypt matters

  Held by

  The National Archives, Kew

  Date

  1945 Jan 02 - 1945 Aug 11

  Reference

  HW 53/50

• Catalogue level

  Piece

  DSH 11 - Chinese Cyphers

  DSH 11 - Chinese Cyphers

  Held by

  The National Archives, Kew

  Date

  1942 Mar 27 - 1944 Oct 16

  Reference

  HW 53/42

• Catalogue level

  Piece

  Irish Cyphers. Correspondence and work on Irish ciphers

  Irish Cyphers. Correspondence and work on Irish ciphers

  Held by

  The National Archives, Kew

  Date

  1944 Apr 10 - 1944 Jun 12

  Reference

  HW 53/56

• 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

  MEW [Ministry of Economic Warfare] Liaison. Berkeley Street correspondence with MEW

  MEW [Ministry of Economic Warfare] Liaison. Berkeley Street correspondence with MEW

  Held by

  The National Archives, Kew

  Date

  1943 Sep 23 - 1944 Sep 01

  Reference

  HW 53/57

• Catalogue level

  Piece

  DSH 15 - Cryptographic Reports. Technical crypt reports. The section was at Elmers...

  DSH 15 - Cryptographic Reports. Technical crypt reports. The section was at Elmers School, Bletchley initially and moved in January 1943 to Alford House (Commercial) and Berkeley Street (Diplomatic) in London

  Held by

  The National Archives, Kew

  Date

  1940 Jan 01 - 1943 Apr 02

  Reference

  HW 53/38

• Catalogue level

  Piece

  Liaison between Berkeley Street and Australia. Correspondence on Sigint matters and...

  Liaison between Berkeley Street and Australia. Correspondence on Sigint matters and on the supply of intelligence to the Australian Government

  Held by

  The National Archives, Kew

  Date

  1942 Jul 06 - 1945 Jun 16

  Reference

  HW 53/51

• Catalogue level

  Piece

  Estonian Visit 1931, decrypts and translations of messages intercepted by Swanborough's...

  During August-September 1931 Swanborough conducted intercept trials of Russian communications at Warska and Narva (see HW 61/47 and 48). This file contains work done on the material by GC&CS

  Held by

  The National Archives, Kew

  Date

  1931 Aug 01 - 1932 Jan 20

  Reference

  HW 61/53

• Catalogue level

  Piece

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

  GC&CS Army and Air Force Sigint Volume X: Japanese Cryptographic Systems and their Solution by Lt Col F S Thompson

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/53

• Catalogue level

  Piece

  PDH 2 - Progress Reports. These cryptographic reports cover production sections at...

  PDH 2 - Progress Reports. These cryptographic reports cover production sections at Bletchley Park not only Diplomatic and Commercial

  Held by

  The National Archives, Kew

  Date

  1939 Feb 28 - 1941 Jul 12

  Reference

  HW 53/47

• Catalogue level

  Piece

  Diplomatic and Commercial miscellaneous papers. Correspondence, largely with Washington,...

  Diplomatic and Commercial miscellaneous papers. Correspondence, largely with Washington, concerning interception of diplomatic and commercial messages, the exchange and processing of the material and distribution of subsequent processed reports

  Held by

  The National Archives, Kew

  Date

  1944 Jan 01 - 1944 Dec 28

  Reference

  HW 53/17

• Catalogue level

  Piece

  Telegrams to and from SSD (US Army Sigint personnel working in England). Correspondence...

  Telegrams to and from SSD (US Army Sigint personnel working in England). Correspondence concerning exchange of diplomatic cypher texts

  Held by

  The National Archives, Kew

  Date

  1943 Jul 18 - 1943 Dec 04

  Reference

  HW 53/30

• Catalogue level

  Piece

  Albanian Directorate of Security messages including support to Greek Democratic Party...

  Albanian Directorate of Security messages including support to Greek Democratic Party forces

  Held by

  The National Archives, Kew

  Date

  1948 Apr 12 - 1948 Jun 18

  Reference

  HW 75/53

• Catalogue level

  Piece

  Exchange of bag material with USA. Correspondence concerning exchange of diplomatic...

  Exchange of bag material with USA. Correspondence concerning exchange of diplomatic cypher texts

  Held by

  The National Archives, Kew

  Date

  1942 Jun 05 - 1943 Dec 06

  Reference

  HW 53/34

• Catalogue level

  Piece

  Diplomatic and Commercial miscellaneous papers. Correspondence, largely with Washington,...

  Diplomatic and Commercial miscellaneous papers. Correspondence, largely with Washington, concerning interception of diplomatic and commercial messages, the exchange and processing of the material and distribution of subsequent processed reports

  Held by

  The National Archives, Kew

  Date

  1945 Jan 02 - 1945 Nov 06

  Reference

  HW 53/18