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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 5/107
This record is about the Including increased state of vigilance in Polar region; German Navy searching for... dating from July 1 1942-July 4 1942 in the series Government Code and Cypher School: German Section: Reports of German Army and Air.... It is held at The National Archives, Kew.
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HW 5/107
July 1 1942-July 4 1942
Including increased state of vigilance in Polar region; German Navy searching for convoy PQ17
MSS/1141-MSS/1150
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Retained Until 1996
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HW 5
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Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: German Section: Reports of German Army and Air...
Including increased state of vigilance in Polar region; German Navy searching for...
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