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  Piece

  Decrypts of Comintern messages: Moscow, USSR, with Basle, Switzerland. (Described...

  Decrypts of Comintern messages: Moscow, USSR, with Basle, Switzerland. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1935 July-1935 Dec

  Reference

  HW 17/34

• Catalogue level

  Piece

  Committee and management of Polish SOE (Special Operations Executive) factory built...

  Committee and management of Polish SOE (Special Operations Executive) factory built at Stanmore, Middlesex, for the Polish Military Wireless Reseach Unit

  Held by

  The National Archives, Kew

  Date

  1943 Mar 22-1945 Sep 13

  Reference

  HW 34/17

• Catalogue level

  Piece

  Minutes of 66th to 91st Radio Security Intelligence Conferences

  Minutes of 66th to 91st Radio Security Intelligence Conferences

  Held by

  The National Archives, Kew

  Date

  1944 Jan 02-1944 Dec 29

  Reference

  HW 34/6

• Catalogue level

  Piece

  Captured enemy agents, sets and equipment

  Captured enemy agents, sets and equipment

  Held by

  The National Archives, Kew

  Date

  1944 Jun 14-1944 Dec 31

  Reference

  HW 34/19

• Catalogue level

  Piece

  Provision of radio equipment by the RSS to the Polish station at Stanmore, Middlesex....

  Provision of radio equipment by the RSS to the Polish station at Stanmore, Middlesex. Chief of Security Staff instruction concerning his control of Allied clandestine radio communications

  Held by

  The National Archives, Kew

  Date

  1943 Sep 11-1943 Oct 23

  Reference

  HW 34/21

• Catalogue level

  Piece

  Polish affairs

  Polish affairs

  Held by

  The National Archives, Kew

  Date

  1943 Dec 16-1944 Dec 31

  Reference

  HW 34/9

• Catalogue level

  Piece

  French affairs

  French affairs

  Held by

  The National Archives, Kew

  Date

  1943 Dec 22-1945 Aug 24

  Reference

  HW 34/27

• Catalogue level

  Piece

  Polish transmitters in UK

  Polish transmitters in UK

  Held by

  The National Archives, Kew

  Date

  1941 Aug 01-1943 Dec 31

  Reference

  HW 34/8

• Catalogue level

  Piece

  Mobile units (personnel and operations)

  Mobile units (personnel and operations)

  Held by

  The National Archives, Kew

  Date

  1945 Mar 21-1945 Dec 20

  Reference

  HW 34/18

• Catalogue level

  Piece

  Two Italian ships carrying supplies for Air Force sunk in submarine attacks on 18...

  Two Italian ships carrying supplies for Air Force sunk in submarine attacks on 18 September (ASI 5313). Important Allied convoy, escorted by an aircraft carrier, reported to be moving east through Sicilian channel on 27 September. A report of Italian…

  Held by

  The National Archives, Kew

  Date

  1941 Sept 8-1941 Oct 16

  Reference

  HW 21/34

• Catalogue level

  Piece

  Reports of decrypts of Japanese military attachés messages

  Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1944 Apr 28-1944 May 02

  Reference

  HW 35/34

• Catalogue level

  Piece

  Romanian Police reports on political, security and economic matters including monitoring...

  Romanian Police reports on political, security and economic matters including monitoring of minority groups, particularly Hungarians in Transylvania

  Held by

  The National Archives, Kew

  Date

  1946 Jun 12 - 1946 Jul 16

  Reference

  HW 75/34

• Catalogue level

  Piece

  Reports of Japanese army air decrypts

  Reports of Japanese army air decrypts

  Held by

  The National Archives, Kew

  Date

  1945 Jan 09-1945 Jun 26

  Reference

  HW 28/34

• Catalogue level

  Piece

  Founding of new Sigint organisation: Ministerial, Admiralty, War Office proposals...

  Founding of new Sigint organisation: Ministerial, Admiralty, War Office proposals and counter-proposals for setting up of GCCS

  Held by

  The National Archives, Kew

  Date

  1919

  Reference

  HW 3/34

• Catalogue level

  Piece

  Japanese naval decrypts

  Japanese naval decrypts

  Held by

  The National Archives, Kew

  Date

  1943 Sep 23-1943 Sep 30

  Reference

  HW 23/34

• Catalogue level

  Piece

  32768-34090

  32768-34090

  Held by

  The National Archives, Kew

  Date

  1942 Jul 17-1942 Jul 31

  Reference

  HW 19/34

• Catalogue level

  Piece

  Decrypts of all other GP codes other than No 3, issued as BP daily reports in GPD...

  Decrypts of all other GP codes other than No 3, issued as BP daily reports in GPD series:

  Held by

  The National Archives, Kew

  Date

  1942 Apr

  Reference

  HW 16/34

• Catalogue level

  Piece

  4th Air Fleet orders relating to reconnaissance of Crimea to establish Soviet intentions,...

  4th Air Fleet orders relating to reconnaissance of Crimea to establish Soviet intentions, locations and movements. Cernavoda bridge over Danube in Romania undergoing repairs following Soviet bombing. Italian ambassador to Turkey reports meeting with …

  Held by

  The National Archives, Kew

  Date

  1941 Aug 30

  Reference

  HW 1/34

• Catalogue level

  Piece

  Miscellaneous manuscript notes on RSS history. Page 2 of a section at the back of...

  Miscellaneous manuscript notes on RSS history.Page 2 of a section at the back of the file, marked TOP SECRET 'u', Notes for History of RSS, which is the continuation of II (Achievements of RSS and its tasks) (a) and II (b), reported missing November …

  Held by

  The National Archives, Kew

  Date

  1938 Jan 01-1946 Dec 31

  Reference

  HW 34/1

• Catalogue level

  Piece

  RSS(I) Note: The Funkabwehr. This is an account of the German monitoring organisation,...

  RSS(I) Note: The Funkabwehr. This is an account of the German monitoring organisation, including a comparison with RSS, its British counterpart, dated February 1946.

  Held by

  The National Archives, Kew

  Date

  1939 Jan 01-1945 Dec 31

  Reference

  HW 34/2