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Olga Gray and the Woolwich Arsenal Spy Ring
Piece
Catalogue reference: HW 42/5
This record is about the Y Committee, Dec 1939 - Dec 1941 Successor to the former Y Sub-committee (and not... dating from 1939 Dec 28-1941 Dec 31 in the series Government Code and Cypher School: Sigint Board and Related Committees and Sub-Committees:.... It is held at The National Archives, Kew.
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Y Committee, Dec 1939 - Dec 1941
Successor to the former Y Sub-committee (and not to be confused with the Main Y Committee, which succeeded the Coordination of W/T Interception Committee and was re-named the Y Board in January 1941). Committee strengthened after Hankey Commission in Feb 1940 by addition of independent chairman, a whole-time secretary and representatives from RSS and cable censorship.
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HW 42
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Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Sigint Board and Related Committees and Sub-Committees:...
Y Committee, Dec 1939 - Dec 1941 Successor to the former Y Sub-committee (and not...
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