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Olga Gray and the Woolwich Arsenal Spy Ring
Series
Catalogue reference: HW 56
HW 56
Weekly reports on progress in cryptography, intelligence and traffic analysis, as well as personnel matters.
HW 56
1942-1945
Weekly reports on progress in cryptography, intelligence and traffic analysis, as well as personnel matters.
Public Record(s)
English
5 volume(s)
Open
From 2004 Government Communications Headquarters
1941-1945
Series is accruing
Selected under acquisition policy criterion 2.2.1.3 to document GC&CS activities to exploit intercepted enemy air force communications.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Air Section: Weekly Reports
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