| by Botting, Douglas 1979, Time-Life Books ISBN 0809427249 176 pages |
Translations of this title include:
| by Botting, Douglas (The U-boats) 1995, Folio, Barcelona 174 pages | |
| by Botting Douglas (The U-boats) 1992, Bechtermünz Verlag, Eltville ISBN 3860470329 176 pages, 67 b&w photos, some drawings, 4 maps | |
| by Botting, Douglas (The German Submarines) 1981, Time-Life-International, Amsterdam | |
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