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SOURCES – 10 spies who changed history and were never caught

The following sources were consulted in the preparation of the article “10 spies who changed history and were never caught.”

  1. Agent GARBO: ‘The greatest double agent of the Second World War’
  2. Virginia Hall: The Courage and Daring of “The Limping Lady”
  3. Selected Documents Released under the Nazi War Crimes Disclosure Act
  4. George Koval: Atomic Spy Unmasked
  5. Duquesne Spy Ring
  6. Theodore Hall
  7. Preparing For Martial Law: Through The Eyes of Col. Ryszard Kuklinski
  8. KGB Headquarters Moscow, to the London KGB Residency, “Permanent operational assignment to uncover NATO preparations for a nuclear missile attack on the USSR,” and enclosed documents, February 17, 1983, Top Secret.
  9. Elizabeth Van Lew
  10. Pham Xuan An, 79; Journalist Who Was Later Revealed to Be Viet Cong Spy