| by Valentiner, Max (The terror of the seas) Meine U-Boot-Abenteuer 1931, Amalthea-Verlag, Zürich |
Translations of this title include:
| by Valentiner, Max (The terror of the seas) Mes aventures en sous-marin, 1914-1918 1931, Payot, Paris 252 pages | |
| by Valentiner, Max (The terror of the seas) 1931, Treves, Milano 278 pages, b&w photos | |
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