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You searched for: Keyword: '"codes"'
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1873
1953
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Prime Minister'S Secret Service Committee: Report
Keywords in Context
 
Prime Minister's Secret Service Committee: Minutes of Meetings
Keywords in Context
Meeting Minutes, Correspondence Download PDF
(15.30 MB)
 
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)
 
Prague: Passport Control Office; Possible Breaking of British Ciphers
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Correspondence Download PDF
(849 KB)
 
Code and Cypher School: Establishment and Recruitment of Staff
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)
 
Italy: Leaks from British Embassy
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Correspondence Download PDF
(958 KB)
 
Keywords in Context
Correspondence, Memoranda Download PDF
(12.00 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): War Station; Bletchley Park
Keywords in Context
Correspondence Download PDF
(810 KB)
 
Washington: German Secret Service in USA
Keywords in Context
 
Future of Secret Services: Part 3; Preparation of the Bland Report
Keywords in Context
Reports, Memoranda, Correspondence Download PDF
(32.26 MB)
 
Turkish Cyphers
Keywords in Context
Reports, Memoranda, Correspondence Download PDF
(2.52 MB)
 
Foreign Office Departments and Posts: Instructions on Nomenclature of UK Intelligence Agencies
Keywords in Context
Memoranda, Directives Download PDF
(4.91 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): Reports and Information; Blue Jackets (BJs)
Keywords in Context
Correspondence, Signals Intelligence, Memoranda Download PDF
(17.73 MB)
 
Foreign Office Departments and Posts: Instructions on Nomenclature of UK Intelligence Agencies
Keywords in Context
Correspondence, Directives Download PDF
(3.82 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)
 
Keywords in Context
Signals Intelligence, Memoranda Download PDF
(771 KB)
 
Radio Security Service (RSS)
Keywords in Context
Reports, Memoranda Download PDF
(1.78 MB)
 
'C', Chief of the Secret Intelligence Service (SIS): Government Code and Cypher School (GC & CS); Staff
Keywords in Context
 
USSR: Intelligence Representation and Defectors
Keywords in Context
Correspondence, Directives Download PDF
(9.26 MB)
 
Correspondence with Government Communications Headquarters (GCHQ), Eastcote
Keywords in Context
Correspondence, Memoranda Download PDF
(2.58 MB)
 
Future of the Secret Services
Keywords in Context
Correspondence, Reports Download PDF
(26.83 MB)
 
Keywords in Context
Memoranda, Correspondence Download PDF
(1.81 MB)
 
Keywords in Context
Memoranda, Reports, Correspondence Download PDF
(972 KB)
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