Before Bletchley Park : the Codebreakers of the First World War.
The story of Bletchley Park's codebreaking operations in the Second World War is now well known, but its counterparts in the First World War - Room 40 & MI1(b) - remain in the shadows, despite their involvement in and influence on most of the major events of that war. From the First Battle...
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| Main Author: | |
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| Format: | Electronic eBook |
| Language: | English |
| Published: |
Chicago :
The History Press,
2020.
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| Subjects: | |
| Online Access: | CONNECT |
