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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 8/51
This record is about the The Origin and Development of N.S. 1J by H.R. Foss. A history of the Naval Section's... dating from 1932 Jan 01-1945 Aug 31 in the series Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence. It is held at The National Archives, Kew.
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The Origin and Development of N.S. 1J by H.R. Foss. A history of the Naval Section's Japanese cryptography sub-section.
HW 8
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Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
The Origin and Development of N.S. 1J by H.R. Foss. A history of the Naval Section's...
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