| Verfasser | Häufigkeit |
| Agarwal, Rajiv |
1 |
| Altmeyer, Stefan 1976- |
1 |
| Alva, Luigi 1927- |
1 |
| Bakris, George L. |
1 |
| Bamler, Peter 1964- |
1 |
| Becker, Udo |
1 |
| Berger, Erna 1900-1990 |
1 |
| Birk, Thomas |
1 |
| Boschki, Reinhold 1961- |
1 |
| Bussler, Johannes |
1 |
| Callas, Maria 1923-1977 |
1 |
| Chan, Juliana C. |
1 |
| Cooper, Mark E. |
1 |
| Cäcilienchor Sankt Josef (Bergisch Gladbach) |
1 |
| Danner, Sonja 20./21. Jh |
1 |
| Ferreira, Anna C. |
1 |
| Fischer, Klaus |
1 |
| Fischer-Dieskau, Dietrich 1925-2012 |
1 |
| Freni, Mirella 1935-2020 |
1 |
| Frick, Gottlob 1906-1994 |
1 |