| Author | Popularity |
|---|---|
| Bechtel, Heinrich 1889-1970 | 1 |
| Hünecke, Walter | 1 |
| Lubowski, Herbert | 1 |
| Lübbert, Wilhelm | 1 |
| Pfannschmidt, Martin | 1 |
| Schulte, Friedrich | 1 |
| Schwan, Bruno | 1 |
| Steyrer, Fritz | 1 |
| Zimmermann, Waldemar 1876-1963 | 1 |
| Author | Popularity |
|---|---|
| Bechtel, Heinrich 1889-1970 | 1 |
| Hünecke, Walter | 1 |
| Lubowski, Herbert | 1 |
| Lübbert, Wilhelm | 1 |
| Pfannschmidt, Martin | 1 |
| Schulte, Friedrich | 1 |
| Schwan, Bruno | 1 |
| Steyrer, Fritz | 1 |
| Zimmermann, Waldemar 1876-1963 | 1 |