| Author: | Olfers, Sibylle, 1881-1916 |
| Subject: | PZ, Butterflies -- Juvenile fiction, Picture books for children |
| Format: | Illustrated by the author., Text |
| Date issued: | 2018 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Im Schmetterlingsreich [electronic resource] / Sibylle Olfers |