| Author: | Ralphson, G. Harvey (George Harvey), 1879-1940 |
| Subject: | PZ, World War, 1914-1918 -- Juvenile fiction, Boy Scouts of America -- Juvenile fiction, Submarines (Ships) -- Juvenile fiction |
| Format: | Text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Boy Scouts in the North Sea; Or, the Mystery of "U-13" [electronic resource] / G. Harvey Ralphson |