| Verfasser | Häufigkeit |
| Baldus, Christian 1966- |
5 |
| Dias, Rui Manuel Pinto Soares Pereira |
5 |
| Grundmann, Stefan 1958- |
5 |
| Lima, Luis 1948- |
5 |
| Marques, Cláudia Lima |
5 |
| Fritz, Karina Nunes ca. 20./21. Jh |
4 |
| Reis, Luís Paulo |
4 |
| Schertel Mendes, Laura |
4 |
| Vicente, Dário Moura 1962- |
4 |
| Verdi, Giuseppe 1813-1901 |
3 |
| Abdul Kadir, Rabiah |
2 |
| Bastos, Othon 1933- |
2 |
| De Oliveira, Renato Lima |
2 |
| Freni, Mirella 1935-2020 |
2 |
| Grimm, Thomas 1942- |
2 |
| Hampson, Thomas 1955- |
2 |
| Harke, Jan Dirk 1969- |
2 |
| Hämmerli, Jürg 1958- |
2 |
| Jørgensen, Bo Nørregaard |
2 |
| K. Shih, Timothy |
2 |