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National Archive release WW1 spy files
The National Archives in Kew are releasing top secret files about spies and spy organisations in the First World War for the first time.
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Spy files released by National Archives for the first time
The National Archives is set to release more than 150 secret spy files on individuals and organisations involved in spying during the First World War.
Photos, letters and interrogation reports are among the documents to be released online by the Archives. They contain details about spies operating across the globe, including the notorious female spy Mata Hari and Swallows and Amazons author Arthur Ransome.