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.
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.
from 2004 Government Communications Headquarters
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.