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Olga Gray and the Woolwich Arsenal Spy Ring
Piece
Catalogue reference: HW 8/47
This record is about the Admiralty Use of Special Intelligence in Naval Operations by Capt. G.E. Colpoys R.N. dating from 1939 Aug 23-1945 Apr 09 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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Admiralty Use of Special Intelligence in Naval Operations by Capt. G.E. Colpoys R.N.
HW 8
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Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
Admiralty Use of Special Intelligence in Naval Operations by Capt. G.E. Colpoys R.N.
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