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U.S. Intelligence on Europe, 1945-1995
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1956
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British intelligence services
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Espionage
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GCHQ
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High-level cryptanalytic problems
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MI6
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Research and developments
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Scientists
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SIGINT
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Soviet intelligence
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U.S. Intelligence on Europe, 1945-1995
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1956
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British intelligence services
x
1>
Espionage
1>
GCHQ
1>
High-level cryptanalytic problems
1>
MI6
1>
Research and developments
1>
Scientists
1>
SIGINT
1>
Soviet intelligence
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U.S. Intelligence on Europe, 1945-1995
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'*:*, filtered on [Collection Id: us-intelligence-on-europe, Subject: British intelligence services, Date: 1956]'
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FBI, Report, Summary Brief ::Donald Duart MacLean, Guy Francis De Moncy Burgess and Harold Adrian Russell Philby, 1956, Top Secret, FBI FOIA.
Collection:
U.S. Intelligence on Europe, 1945-1995
Author:
FBI
Date:
1956
Match:
Partial (No exact match found)
Department of Defense, Memorandum, The Proposed Leibler/Robertson Discussions with the Director, GCHQ Scheduled for 25 January 1956, January 11, 1956, Top Secret, DOD FOIA.
Collection:
U.S. Intelligence on Europe, 1945-1995
Author:
Department of Defense
Date:
1956
Match:
Partial (No exact match found)