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• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Government Code and Cypher School: Iranian Military and Air Attaché Messages

  Held by

  The National Archives, Kew

  Date

  1942-1943

  Reference

  HW 58

• Intelligence - Use and Handling of German Army and Air Force High-grade. Notes on...

  Held by

  The National Archives, Kew

  Date

  1941 Jul 01 - 1944 Nov 26

  Reference

  HW 50/58

• GCCS bids for additional Treasury funding for proposed model new clerical establishment:...

  Held by

  The National Archives, Kew

  Date

  1936

  Reference

  HW 3/58

• General Intelligence (Japanese): The Research Party by Lieut. A.E.H. Frost R.N.V.R....

  Held by

  The National Archives, Kew

  Date

  1943 Oct 01-1945 Sep 20

  Reference

  HW 8/58

• Paper from WG Welchman to Lt Col Sayer recommending transfer of Capt Lewis's TA party...

  Held by

  The National Archives, Kew

  Date

  1942 Nov 11-20

  Reference

  HW 14/58

• Italian naval messages

  Held by

  The National Archives, Kew

  Date

  1943 Feb 09-1943 Jul 11

  Reference

  HW 18/58

• Soviet Comintern messages: ISCOT 501-600

  Held by

  The National Archives, Kew

  Date

  1944 Nov 15-1944 Dec 11

  Reference

  HW 17/58

• Commercial reports. Report numbers 13816-13817 missing at transfer

  Held by

  The National Archives, Kew

  Date

  1940 Nov 11-1940 Nov 12

  Reference

  HW 29/58

• Foreign Intelligence: Italian

  Held by

  The National Archives, Kew

  Date

  1929 Apr 09-1939 Jun 03

  Reference

  HW 2/58

• Collection of reports on wide-ranging subjects, including Order of Battle of German...

  Held by

  The National Archives, Kew

  Date

  1945 May 1-1945 July 31

  Reference

  HW 13/58

• Bad road conditions and ammunition train requested for Novogorod-Severski. 10th Air...

  Held by

  The National Archives, Kew

  Date

  1941 Sept 10

  Reference

  HW 1/58

• Decrypts of Japanese army and army air force messages

  Held by

  The National Archives, Kew

  Date

  1944 Nov 01-1945 Jul 31

  Reference

  HW 52/58

• Persian Military and Air Attaché Messages

  Held by

  The National Archives, Kew

  Date

  1942 Jan 19 - 1943 Nov 30

  Reference

  HW 58/1

• Enemy exploitation of RAF Bomber code: miscellaneous reports and correspondence

  Held by

  The National Archives, Kew

  Date

  1944 Jun 04 - 1944 Oct 20

  Reference

  HW 40/58

• GC&CS Army and Air Force Sigint Volume XV: Intelligence - Army - Japanese by Lt Cmdr...

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/58

• Disposal of Bletchley Park records

  Held by

  The National Archives, Kew

  Date

  1942 Jul 06 - 1945 Jul 11

  Reference

  HW 64/58

• Reports in the series VM/1 to VM/250.

  Held by

  The National Archives

  Date

  1942 Dec 31-1943 Jan 03

  Reference

  HW 20/58

• Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1944 Oct 12-1944 Oct 17

  Reference

  HW 35/58

• Log book of COM report distribution

  Held by

  The National Archives, Kew

  Date

  1942 Dec 30-1943 Apr 21

  Reference

  HW 32/58