Double Agent Held U.K. Passport
6 Daring Double Agents - HISTORY
Double Agent: The First Hero of World War II and How the FBI Outwitted and Destroyed a Nazi Spy Ring: Duffy, Peter: 9781451667967: Amazon.com: Books
How likely is it that the US has spies in Britain, and that Britain has spies in the US? - Quora
Cold War Spies: Who Were The Agents Who Turned Traitor, And Why? | HistoryExtra
The secret lives of MI6's top female spies | Financial Times
WWII Double Agent, Spy for the British and the Nazis - YouTube
Ex-Russian double agent critical after being exposed to 'unknown substance', says UK media-World News , Firstpost
The Spies Who Came In From the Continent – Foreign Policy
Infamous KGB Double Agent George Blake Dies At 98 : NPR
The Spies Who Came In From the Continent – Foreign Policy
Kim Philby - Wikipedia
How a Spanish chicken farmer became the greatest double agent of World War II | Boing Boing
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/26/46/2646e6de-66d7-4034-8888-a108c3c6e7f6/guy_burgess.jpg "The Student and the Spy: How One Man's Life Was Changed by the Cambridge Five | Articles| Smithsonian Magazine")
The Student and the Spy: How One Man's Life Was Changed by the Cambridge Five | Articles| Smithsonian Magazine
6 Daring Double Agents - HISTORY
The Greatest Double Agent in History - Priceonomics
Revealed: Nazi spy was UK's first double-agent
Russia May Use US and UK to Target, Kill Former Spies and Putin Enemies
Did Putin order the Salisbury hit?
Who was Kim Philby? As his story is retold in A Spy Among Friends, how the public school boy turned KGB double agent | Tatler
Cold war British-Soviet double agent George Blake dies at 98 - RIA | Reuters
Famous American Double Agents
British double agent George Blake dies in Russia at 98
Famous American Double Agents
6 Daring Double Agents - HISTORY
