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Releases med Ronald Koorm

Cover for Ronald Koorm · Backing Bletchley: The Codebreaking Outstations, From Eastcote to GCHQ (Pocketbok) (2027)

Backing Bletchley: The Codebreak... (2027)

Releasedatum 15 januari 2027

Cover for Ronald Koorm · WW2 Codebreaking People and Places: A Wartime Glossary (Pocketbok) (2026)

WW2 Codebreaking People and Plac... (2026)

Releasedatum 30 juli 2026