| Author: | Joutsen, O. A. (Otto Aleksanteri), 1878-1936 |
| Subject: | QH, Natural history -- Juvenile literature |
| Format: | Electronic text |
| Date issued: | 2023 |
| Language: | Finnish |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Luonnon ihmeitä [electronic resource] / O. A. Joutsen |