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• Catalogue level

  Piece

  Accessions administration: HW 36

  Accessions administration: HW 36

  Held by

  The National Archives, Kew

  Date

  2000 Jan 1 - 2001 Dec 31

  Reference

  PRO 57/15767

• Catalogue level

  Item

  Appendix 4 Ottawa (formerly Appendix D) - see HW 15/36 for message texts

  Appendix 4 Ottawa (formerly Appendix D) - see HW 15/36 for message texts

  Held by

  The National Archives, Kew

  Date

  1940-1948

  Reference

  HW 15/61/8

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  -c30">HW 30; Diplomatic and Commercial Section HW 32; German diplomatic communications HW 36; Diplomatic and Commercial Sections

  Held by
  Date
  1914-1979
  Reference

• Catalogue level

  Series

  Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic...

  Reports of German diplomatic messages decyphered by the Diplomatic Section. GERDI (German Diplomatic) reports contain general diplomatic intelligence and agent material. IR (Ireland) reports contain messages between the German Ministry of Foreign Aff…

  Held by

  The National Archives, Kew

  Date

  1942-1943

  Reference

  HW 36

• Catalogue level

  Piece

  GC&CS Naval Cryptanalytic Studies Volume XI: Japanese Early High-Grade Cyphers and...

  GC&CS Naval Cryptanalytic Studies Volume XI: Japanese Early High-Grade Cyphers and Minor Additive Cyphers by C H O'D Alexander, L S Brown, J W S Cassels, J E T English, H R Foss, H L John, J T Martin, J M G Pollard, B E Russell, L E S Taylor, H A…

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/36

• Catalogue level

  Piece

  RAF Middle East summaries describing enemy operational activity, transport movements...

  RAF Middle East summaries describing enemy operational activity, transport movements and fuel supply on all fronts

  Held by

  The National Archives, Kew

  Date

  1942 Oct 06-1942 Nov 05

  Reference

  HW 41/36

• Catalogue level

  Piece

  GRU (Soviet Intelligence) Military Attaché Traffic: Moscow from Ottawa, Canada. (Described...

  GRU (Soviet Intelligence) Military Attaché Traffic: Moscow from Ottawa, Canada. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1944 Jan 22-1944 Feb 4

  Reference

  HW 15/36

• Catalogue level

  Piece

  Decrypts of intercepted diplomatic communications. Afghanistan: 10534-10535, 10547-10548,...

  Decrypts of intercepted diplomatic communications. Afghanistan: 10534-10535, 10547-10548, 10576, 10589-10590, 10602-10604, 10613, 10619, 10632, 10652-10653, 10663, 10671, 10689, 10724-10726, 10733-10735. Chile: 10579, 10709. France: 10565, 10573, 106…

  Held by

  The National Archives, Kew

  Date

  1922 July

  Reference

  HW 12/36

• Catalogue level

  Piece

  Establishment questions in the secret services

  Establishment questions in the secret services

  Held by

  The National Archives, Kew

  Date

  1943 May 06 - 1943 Jun 14

  Reference

  HW 64/36

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Jul 13-1940 Jul 22

  Reference

  HW 29/36

• Catalogue level

  Piece

  Plus some Italian Naval communications

  Plus some Italian Naval communications

  Held by

  The National Archives, Kew

  Date

  Oct 27 1941-Nov 4 1941

  Reference

  HW 5/36

• Catalogue level

  Piece

  Vol. XXIII Northern Waters by Lieutenant Commander L A Griffiths, RNVR

  Vol. XXIII Northern Waters by Lieutenant Commander L A Griffiths, RNVR

  Held by

  The National Archives, Kew

  Date

  1939 - 1945

  Reference

  HW 11/36

• Catalogue level

  Piece

  Decrypts of Comintern messages: Moscow, USSR to United States. (Described at item...

  Decrypts of Comintern messages: Moscow, USSR to United States. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1935 June-1936 Aug

  Reference

  HW 17/36

• Catalogue level

  Piece

  1. Instruction from Cdr A.G. Denniston concerning the decryption and translation...

  1. Instruction from Cdr A.G. Denniston concerning the decryption and translation of the I.R. series (2/2/1943) 2. German language versions of telegrams 29/2/1940-16/3/1943. 3. I.R. reports serial numbers 0051, 0059A and 0913.

  Held by

  The National Archives, Kew

  Date

  1939 Dec 02-1944 Jan 23

  Reference

  HW 36/5

• Catalogue level

  Piece

  This folder contains mainly typescripts of decrypted messages in the original German....

  Also included in the folder are some related reports (113470, 115451, 115452 & 121662) issued in the BJ Series (HW 12).

  Held by

  The National Archives, Kew

  Date

  1942 Jul 14-1943 Aug 23

  Reference

  HW 36/7

• Catalogue level

  Piece

  Mainly Ministry of Foreign Affairs, Berlin, in communication with Lourenco Marques...

  Mainly Ministry of Foreign Affairs, Berlin, in communication with Lourenco Marques and Tokyo. Other locations: Athens, Belgrade, Funchal, Kabul, Las Palmas, Lisbon, Madrid, Shanghai, and Teneriffe.

  Held by

  The National Archives, Kew

  Date

  1945 Jan 01-1945 Nov 01

  Reference

  HW 36/4

• Catalogue level

  Piece

  Commercial messages passed over diplomatic channels

  Commercial messages passed over diplomatic channels

  Held by

  The National Archives, Kew

  Date

  1945 Feb 01-1945 Feb 28

  Reference

  HW 32/36

• Catalogue level

  Piece

  Personal security form for all members of GCCS warning against careless talk, security...

  Personal security form for all members of GCCS warning against careless talk, security incident in Hut 3; GCCS partial staff listing; staffing of AS; case for additional Sigint printer links from BP to Ministries, installation of printer in Hut 3 wit…

  Held by

  The National Archives, Kew

  Date

  1942 May 1-15

  Reference

  HW 14/36

• Catalogue level

  Piece

  Interception in Greece of Italian conmmunications

  Interception in Greece of Italian conmmunications

  Held by

  The National Archives, Kew

  Date

  1940 Dec 05 - 1940 Dec 26

  Reference

  HW 51/36

• Catalogue level

  Piece

  Naval Miscellaneous Papers Apr-June 1945. These papers, collected by Frank Birch,...

  Naval Miscellaneous Papers Apr-June 1945. These papers, collected by Frank Birch, Head of Naval Section, reflect the daily operations of Naval Section and relations with Op-20-G, the U.S. Navy equivalent organisation.2/4/1945 Minutes of a meeting hel…

  Held by

  The National Archives, Kew

  Date

  1945 Apr 01-1945 Jun 30

  Reference

  HW 8/36