| ID: | 6086 |
|---|---|
| Entry Text: | Deacon, Richard. The Silent War: A History of Western Naval Intelligence. New York: Hippocrene, Newton Abbot: David & Charles; London: Grafton; London: Sphere, 1978, 1980, 1988, 335 pp. Journalistic claims: advances in communications & submarine developments; Room 39 & Room 40 at Admiralty. |