| Author: | Selow-Serman, K. E., 1881-1943 |
| Subject: | D501, World War, 1914-1918 -- Naval operations -- Submarine |
| Format: | Text |
| Date issued: | 2020 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | U-Boot-Abenteuer im Sperrgebiet [electronic resource] / K. E. Selow-Serman |