| Verfasser | Häufigkeit |
| Sommer, Stephan |
5 |
| Betschart, Alfred |
2 |
| Frondel, Manuel |
2 |
| Gampe, Stephan |
2 |
| Sigler, Stephan 1965- |
2 |
| Sommer, Andreas Urs 1972- |
2 |
| Sommer, Stephan 1967- |
2 |
| Sommer, Theo |
2 |
| Sommer, Wilfried 1967- |
2 |
| Stephan, Paul 1988- |
2 |
| Zech, Michael 1957- |
2 |
| Abdul, Mustapha |
1 |
| Alberto, Moreiras |
1 |
| Beatriz, Stephan |
1 |
| Berendonk, Stephan |
1 |
| Birner, Stephan |
1 |
| Brahms, Johannes 1833-1897 |
1 |
| Doris, Sommer |
1 |
| Gareth, Williams |
1 |
| Ileana, Rodríguez |
1 |