| Verfasser | Häufigkeit |
| Dale, Brian |
4 |
| Elder, Kay 1946- |
4 |
| Crowley, Kate 1956- |
2 |
| Diliberti, Melissa Kay |
2 |
| Jackson, Brian A. |
2 |
| Kay, Adrian 1971- |
2 |
| Stewart, Jenny 1950- |
2 |
| Alagna, Roberto 1963- |
1 |
| Alaimo, Simone 1950- |
1 |
| Bekistan, Luce |
1 |
| Benjamin, Leanne |
1 |
| Campbell, Douglas |
1 |
| Choe, Yuhui |
1 |
| Dale, Brian 1951- |
1 |
| Dan, Elena |
1 |
| Donizetti, Gaetano 1797-1848 |
1 |
| Duncan, Kenneth 1944- |
1 |
| Dyer, Tristan |
1 |
| Elder, Kay |
1 |
| Faust, Gabriele |
1 |