| Verfasser | Häufigkeit |
| Appel, Bernhard R. 1950- |
24 |
| Beethoven, Ludwig van 1770-1827 |
24 |
| Schmidt-Görg, Joseph 1897-1981 |
24 |
| Küthen, Hans-Werner 1938- |
8 |
| Schmidt, Hans 1930-2019 |
5 |
| Appel, Helmut 1952- |
4 |
| Appel, Wolf 1942-1999 |
4 |
| Herttrich, Ernst 1942- |
4 |
| Steinert, Konrad |
4 |
| Baʾumgarṭen, Elishevaʿ 1969- |
3 |
| Hollender, Elisabeth 1965- |
3 |
| Kogman-Appel, Katrin 1958- |
3 |
| Lühning, Helga 1943- |
3 |
| Shoham-Shṭainer, Efrayim 1968- |
3 |
| Abt, Franz 1819-1885 |
2 |
| Appel, Beda 1744-1773 |
2 |
| Appel, Brigitte |
2 |
| Appel, Hermann |
2 |
| Appel, Karl 1812-1895 |
2 |
| Appel, Markus |
2 |