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You searched for: Keyword: '"cyphers"'
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1873
1953
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Organisation
 
Organisation of Soviet Intelligence Services. Report.
Keywords in Context
Memoranda, Reports Download PDF
(9.50 MB)
 
Prime Minister'S Secret Service Committee: Report
Keywords in Context
 
Release of Documents for Congressional Enquiry into Pearl Harbour Disaster
Keywords in Context
Reports, Correspondence Download PDF
(492 KB)
 
Prime Minister's Secret Service Committee: Minutes of Meetings
Keywords in Context
Meeting Minutes, Correspondence Download PDF
(15.30 MB)
 
Foreign Office: Staffing Matters
Keywords in Context
 
Establishment of Intercept Stations in Britain for the Interception of Diplomatic Traffic in Wartime
Keywords in Context
Correspondence, Memoranda Download PDF
(9.60 MB)
 
Keywords in Context
Correspondence, Memoranda, Signals Intelligence Download PDF
(1.68 MB)
 
Use of Special Intelligence by Official Historians. Report by the J.I.C.
Keywords in Context
Reports, Directives, Correspondence Download PDF
(1.07 MB)
 
Facilities for Third Parties: Despatch of Telegrams
Keywords in Context
 
Insecurity of Chinese Cyphers Report by J.I.C.
Keywords in Context
 
Insecurity of Chinese Cyphers Report by J.I.C.
Keywords in Context
Reports, Correspondence Download PDF
(441 KB)
 
Prague: Passport Control Office; Possible Breaking of British Ciphers
Keywords in Context
Correspondence Download PDF
(849 KB)
 
Code and Cypher School: Establishment and Recruitment of Staff
Keywords in Context
 
Keywords in Context
Reports, Miscellany Download PDF
(2.02 MB)
 
Cypher Policy. Report by J.I.C.
Keywords in Context
 
Future of the Secret Service: Letter Setting out Points of Discussion
Keywords in Context
Correspondence Download PDF
(302 KB)
 
Keywords in Context
Correspondence, Reports, Meeting Minutes Download PDF
(14.04 MB)
 
Keywords in Context
Correspondence, Memoranda Download PDF
(8.46 MB)
 
War: Polish Operated Wireless Station in UK
Keywords in Context
 
Future of Secret Services: Part 4; The Bland Report
Keywords in Context
Reports, Memoranda, Correspondence Download PDF
(26.92 MB)
 
Italy: Leaks from British Embassy
Keywords in Context
Correspondence Download PDF
(958 KB)
 
Keywords in Context
Correspondence, Memoranda Download PDF
(12.00 MB)
 
Future of Secret Services: Part 3; Preparation of the Bland Report
Keywords in Context
Reports, Memoranda, Correspondence Download PDF
(32.26 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): miscellaneous correspondence on cypher matters
Keywords in Context
Memoranda, Correspondence Download PDF
(7.97 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): Operational Schemes; General
Keywords in Context
Memoranda, Correspondence, Reports Download PDF
(7.50 MB)
 
Turkish Cyphers
Keywords in Context
Reports, Memoranda, Correspondence Download PDF
(2.52 MB)
 
British Security Coordination (BSC), New York: Representation in USA
Keywords in Context
Memoranda, Meeting Minutes, Miscellany Download PDF
(7.69 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): Wireless Communications; Moscow
Keywords in Context
 
USSR: Activities of British Missions
Keywords in Context
Correspondence, Memoranda Download PDF
(8.36 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): Reports and Information; Blue Jackets (BJs)
Keywords in Context
Signals Intelligence, Correspondence, Memoranda Download PDF
(8.64 MB)
 
USA: General; Exploitation of Intelligence
Keywords in Context
Correspondence Download PDF
(986 KB)
 
Informants: Italy
Keywords in Context
Memoranda, Correspondence, Directives Download PDF
(2.04 MB)
 
Foreign Office Departments and Posts: Instructions on Nomenclature of UK Intelligence Agencies
Keywords in Context
Memoranda, Directives Download PDF
(4.91 MB)
 
Tokyo: Intelligence Work
Keywords in Context
 
Joint Intelligence Committee (JIC) Sub-Committee on Security: Volume 1; Economic and Industrial Information
Keywords in Context
Memoranda, Correspondence, Reports Download PDF
(25.19 MB)
 
Communications: Cyphers and Codes
Keywords in Context
Correspondence, Memoranda Download PDF
(4.76 MB)
 
Keywords in Context
Correspondence, Memoranda, Reports Download PDF
(15.24 MB)
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