Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
Series
Catalogue reference: HW 73
HW 73
This series contains GC&CS studies undertaken into the German Central Cryptographic Organisation (OKW/CHI) operations against British cyphers before and during the Second World War.
HW 73
1934-1945
This series contains GC&CS studies undertaken into the German Central Cryptographic Organisation (OKW/CHI) operations against British cyphers before and during the Second World War.
Public Record(s)
English
7 files and volumes
Open
from 2004 Government Communications Headquarters
1934-1945
Series is accruing
Records sleected under acquisition policy criterion 2.2.1.3, documenting British assessments of German efforts to penetrate British cyphers prior to and during the Second World War. All surviving material selected.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: German Signals Intelligence in the Second World War: Studies
Focus on
Focus on
Record revealed
Records that share similar topics with this record.