| Authors Name |
|---|
| Gravert, Wilhelm [1] |
| Hartner, Willy [1] |
| Hoffmann, Hermann [1] |
| Janssen, Theodor B. [1] |
| Kerber, Ottmar [1] |
| König, Friedrich [1] |
| Kraemer, Richard [1] |
| Schefold, Karl [1] |
| Schmidt, Wilhelm Joseph [1] |
| Schmitthenner, Heinrich [1] |
| Vossschulte, Karl [1] |
