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6 Daring Double Agents - HISTORY
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Who is Sergei Skripal, the former Russian spy found 'in critical condition' in Salisbury? | The Independent | The Independent
6 Daring Double Agents - HISTORY
Infamous KGB Double Agent George Blake Dies At 98 : NPR
Rare Film Emerges Of Double-Agent Kim Philby Speaking After Defection | Colorado Public Radio
How a Spanish chicken farmer became the greatest double agent of World War II | Boing Boing
How likely is it that the US has spies in Britain, and that Britain has spies in the US? - Quora
U.S. to Impose New Sanctions on Russia Over Nerve-Agent Attack in U.K. - WSJ
Cold War Spies: Who Were The Agents Who Turned Traitor, And Why? | HistoryExtra
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Infamous KGB Double Agent George Blake Dies At 98 : NPR
Double Agent Held U.K. Passport
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The Student and the Spy: How One Man's Life Was Changed by the Cambridge Five | Articles| Smithsonian Magazine
Who was Kim Philby? As his story is retold in A Spy Among Friends, how the public school boy turned KGB double agent | Tatler
The Spies Who Came In From the Continent – Foreign Policy
