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Forgotten front: Britain, Bolshevism, and Chinese auxiliaries in northern Russia
Series
Catalogue reference: HW 59
HW 59
This series contains records relating to the establishment and development of communication links between the Government Code and Cypher School at Bletchley Park and the various overseas stations set up to intercept enemy telecommunications. The...
This series contains records relating to the establishment and development of communication links between the Government Code and Cypher School at Bletchley Park and the various overseas stations set up to intercept enemy telecommunications. The series includes exchanges of correspondence with the London Signals Intelligence Board, the War Office, the Air Ministry and the overseas signal liaison units.
From 2004 Government Communications Headquarters
Government Code and Cypher School: Signals relating to the Establishment of Communications Links with Overseas Intercept (Y) Stations
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