| by Bekker, Cajus (Struggle and defeat of the Kriegsmarine) 1953, A. Sponholtz, Hannover 278 pages, 172 photos A general account; includes a chapter on the U-boats. |
Translations of this title include:
| by Bekker, Cajus (Struggle and defeat of the German Navy) 1955, WSOY, Porvoo Hardcover, 278 pages, 172 photos A general account; includes a chapter on the U-boats. | |
| by Bekker, Cajus The Struggle and Destruction of the German Navy, 1939-1945 1953, William Kimber, London 207 pages A general account; includes a chapter on the U-boats. Published in the United States under the title Defeat at Sea. | |
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