Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
Piece
Catalogue reference: HW 40/77
This record is about the Enemy exploitation of codes and cyphers of various UK Government Departments: miscellaneous... dating from 1943 Oct 27 - 1945 Feb 15 in the series Government Code and Cypher School: Security of Allied Cyphers Section: Security Files.... It is held at The National Archives, Kew.
Sorry, information for accessing this record is currently unavailable online. Please try again later.
Enemy exploitation of codes and cyphers of various UK Government Departments: miscellaneous reports and correspondence
HW 40
See the series level description for more information about this record.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Security of Allied Cyphers Section: Security Files...
Enemy exploitation of codes and cyphers of various UK Government Departments: miscellaneous...
Read stories that share a catalogue subject with this record.
Focus on
Focus on
Record revealed
Records that share similar topics with this record.