Room 40 : British naval intelligence 1914-18 /
This book is the enthralling story of the extraordinary band of amateurs in Room 40 - university professors, clergymen, naval schoolmasters, stockbrokers, and bankers - who captured all the German naval codes before the end of 1914 and of how they read them and their replacements over the next four...
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| Format: | Book |
| Language: | English |
| Published: |
San Diego :
Harcourt Brace Jovanovich,
[1982]
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| Edition: | First American edition. |
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