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• GC&CS miscellaneous papers: Japanese Interservice Secretariat 1944-1945. Centralization...

  Held by

  The National Archives, Kew

  Date

  1944 Jan 28 - 1944 Dec 11

  Reference

  HW 62/24

• Reports on the Spanish army, Spanish naval callsigns and results of RAF bombing raid...

  Held by

  The National Archives, Kew

  Date

  1941 Oct 31-1945 May 19

  Reference

  HW 22/24

• Commercial messages sent in private company codes

  Held by

  The National Archives, Kew

  Date

  1945 May 18-1945 Aug 11

  Reference

  HW 31/24

• Commercial messages passed over diplomatic channels

  Held by

  The National Archives, Kew

  Date

  1944 Feb 01-1944 Feb 29

  Reference

  HW 32/24

• Liaison between CBME and GC&CS on cryptanalysis of German air force messages

  Held by

  The National Archives, Kew

  Date

  1941 Jan 21 - 1943 Mar 03

  Reference

  HW 51/24

• Bulgarian military attache decrypts

  Held by

  The National Archives, Kew

  Date

  1945 Jul 26-1945 Oct 17

  Reference

  HW 24/2

• Japanese naval decrypts

  Held by

  The National Archives, Kew

  Date

  1943 Jul 08-1943 Jul 14

  Reference

  HW 23/24

• Verbatim German language texts issued as BP daily reports: all messages in GP Code...

  Held by

  The National Archives, Kew

  Date

  1943 Mar-Apr

  Reference

  HW 16/24

• Decrypts of Comintern messages: Moscow, USSR, with Amsterdam, Holland; London, Great...

  Held by

  The National Archives, Kew

  Date

  1934 Feb-1936 July

  Reference

  HW 17/24

• C to LPS: German Army seaborne operation against Crimea supported by 4th Air Corps...

  Held by

  The National Archives, Kew

  Date

  1941 Aug 16

  Reference

  HW 1/24

• Weekly reports on Second World War German army and air force communications

  Held by

  The National Archives, Kew

  Date

  1944 Apr 01-1944 May 04

  Reference

  HW 45/24

• DD(C) - Deputy Director (Civil) - historical papers. Mostly planning for post-war

  Held by

  Creating government department or its successor

  Date

  1944 Oct 03 - 1946 Jan 15

  Reference

  HW 53/24

• German exploitation of Russian Air communications. Prisoner of war reports

  Held by

  Creating government department or its successor

  Date

  1945 Oct 03 - 1946 Jan 08

  Reference

  HW 40/24

• German naval activity in the Mediterranean including liaison with the Italian navy

  Held by

  The National Archives, Kew

  Date

  1944 Mar 19-1944 Aug 06

  Reference

  HW 18/24

• Gibraltar Y Committee

  Held by

  The National Archives, Kew

  Date

  1941 May 21 - 1943 Mar 11

  Reference

  HW 61/24

• Security of electronic communications

  Held by

  Creating government department or its successor

  Date

  1961 Feb-1962 Oct

  Reference

  HW 9/24

• Communications Subcommittee and 'E' Subcommittee Minutes of meetings 1-34 of the...

  Held by

  The National Archives, Kew

  Date

  1941 Mar 17-1943 Oct 15

  Reference

  HW 42/24

• Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Apr 01-1940 Apr 08

  Reference

  HW 29/24

• Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1944 Mar 15-1944 Mar 19

  Reference

  HW 35/24

• Commander Task Force 317 report on intelligence aspects of Operation CORPORATE; minutes...

  Held by

  The National Archives, Kew

  Date

  1982 Oct 29 - 1983 Feb 1

  Reference

  HW 92/24