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  Item

  Appendix E: London (see HW 15/16 for message texts)

  Appendix E: London (see HW 15/16 for message texts)

  Held by

  The National Archives, Kew

  Date

  1940-1948

  Reference

  HW 15/60/5

• Catalogue level

  Piece

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

  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

• Catalogue level

  Piece

  Bound volume of GML reports: GML 143 GP reaction to Allied air raids on Berlin Nov...

  As in HW 16/ 58 these last 4 categories of GML report will prove valuable when reading the verbatim German language decrypts in HW 16/ 17-43. GML 151,153,158 and 172 all missing at transfer

  Held by

  The National Archives, Kew

  Date

  1943 Dec - 1945 June

  Reference

  HW 16/61

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  5, HW 16, HW 19, HW 45; Naval Section reports of German, Italian, French, Spanish and Portuguese naval decrypts

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

  Government Code and Cypher School: German Police Section: Decrypts of German Police...

  Information relating to concentration camps such as Auschwitz, Buchenwald and Dachau and on the Russian Front. The series also contains details of the results and losses of allied bombing raids and allied aircraft losses, prisoners of war (both captu…

  Held by

  The National Archives, Kew

  Date

  1935-1945

  Reference

  HW 16

• Catalogue level

  Piece

  GPD extracts for Russia: German language decrypts selected by 4 IS for passing to...

  GPD extracts for Russia: German language decrypts selected by 4 IS for passing to Russians to encourage them to send more raw GP intercept to BP, plus a few internal notes on the rationale behind these selections

  Held by

  The National Archives, Kew

  Date

  1943-1944

  Reference

  HW 16/16

• Catalogue level

  Piece

  The Admiralty, Whitehall, London: one article and six drawings entitled: 'The New...

  envelope labelled 'Admiralty', and with annotation '16' in pencil

  Held by

  The National Archives, Kew

  Date

  1895 Jan 01 - 1895 Dec 31

  Reference

  T 376/358

• Catalogue level

  Item

  Moscow; Safeguarding of the agent network in view of the news from [C% Canada].

  Moscow; Safeguarding of the agent network in view of the news from [C% Canada].

  Held by

  The National Archives, Kew

  Date

  1945 Sept 18

  Reference

  HW 15/16/16

• Catalogue level

  Piece

  Correspondence with USA and Canada on Japanese meteorological cyphers

  Correspondence with USA and Canada on Japanese meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1944 Feb 24 - 1944 May 02

  Reference

  HW 54/16

• Catalogue level

  Piece

  Decrypts of intercepted diplomatic communications. Argentina: 4627. Brazil: 4715,...

  Decrypts of intercepted diplomatic communications. Argentina: 4627. Brazil: 4715, 4787. Chile: 4556, 4615-4616, 4693, 4766. Denmark: 4587, 4776. France: 4668, 4695, 4773. Germany: 4527-4528, 4558, 4576-4577, 4595, 4607, 4636, 4652, 4724-4725, 4765. G…

  Held by

  The National Archives, Kew

  Date

  1920 Oct 20-1920 Nov 20

  Reference

  HW 12/16

• Catalogue level

  Piece

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for...

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for signalling to War Office or Air Ministry

  Held by

  The National Archives, Kew

  Date

  1939 Dec - 1942 Jan

  Reference

  HW 16/53

• Catalogue level

  Piece

  GC&CS Japanese Naval Section Extracts from Supporting Histories apparently for historical...

  GC&CS Japanese Naval Section Extracts from Supporting Histories apparently for historical purposes and/or research. Notes of sources and drafts in preparation for the writing of the history of the Naval Section

  Held by

  The National Archives, Kew

  Date

  1942 Jan 16 - 1945 Jul 31

  Reference

  HW 50/16

• Catalogue level

  Piece

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for...

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for signalling to War Office or Air Ministry

  Held by

  The National Archives, Kew

  Date

  1942 Jan-May

  Reference

  HW 16/54

• Catalogue level

  Piece

  Security circulars

  Security circulars

  Held by

  The National Archives, Kew

  Date

  1939 Oct 01 - 1945 Dec 30

  Reference

  HW 64/16

• Catalogue level

  Piece

  Signal intelligence organisation in Mauritius

  Signal intelligence organisation in Mauritius

  Held by

  The National Archives, Kew

  Date

  1942 Jul 25 - 1942 Oct 30

  Reference

  HW 61/16

• Catalogue level

  Piece

  Security of electronic communications

  Security of electronic communications

  Held by

  Creating government department or its successor

  Date

  1958 Dec-1961 July

  Reference

  HW 9/16

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Mar 08-1940 Mar 14

  Reference

  HW 29/16

• Catalogue level

  Piece

  GC&CS miscellaneous papers: Post War, January-August 1945. Correspondence and planning...

  GC&CS miscellaneous papers: Post War, January-August 1945. Correspondence and planning papers on post-war Sigint. Also correspondence concerning the end of the war (congratulatory signals and run-down and redisposition)

  Held by

  The National Archives, Kew

  Date

  1945 Jan 06 - 1945 Aug 31

  Reference

  HW 62/16

• Catalogue level

  Piece

  Spanish naval messages

  Spanish naval messages

  Held by

  The National Archives, Kew

  Date

  1943 Aug 03-1944 Jun 27

  Reference

  HW 22/16

• Catalogue level

  Piece

  STARK 427-450

  STARK 427-450

  Held by

  The National Archives, Kew

  Date

  1945 Sep 01-1945 Sep 30

  Reference

  HW 39/16