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Bombshell in the briefcase: New book retells one of the greatest Cold War thrillers of all | Daily Mail Online
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MI5 files show the objects with hidden compartments at home of couple in Portland spy ring | Daily Mail Online
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Portland Spy Ring could have been foiled four years earlier, MI5 file admits, after dismissing 'jealous' wife's warning
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The Portland Spy Ring: The Remarkable Story of Love, Deceit, and Illegal Espionage – Retrospect Journal
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Ethel Gee, 55, after she was released from prison after serving over nine years of a 15 year sentence for her part in the Portland Spy Ring. - TopFoto
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Portland Spy Ring could have been foiled four years earlier, MI5 file admits, after dismissing 'jealous' wife's warning
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