| Verfasser | Häufigkeit |
| Gordon, Bruce |
17 |
| Gordon, Bruce 1962- |
13 |
| Mahlmann-Bauer, Barbara |
11 |
| Westphal, Siegrid |
11 |
| Seton, Bruce Gordon |
10 |
| Wassilowsky, Günther |
10 |
| Bruce, Gordon |
9 |
| Craig, Bruce Gordon |
9 |
| Rasmussen, Tarald |
9 |
| Tóth, Zsombor |
9 |
| Frank, Günter |
7 |
| Frank, Günter 1956- |
7 |
| Brown, Christopher B. |
5 |
| Lamberigts, Mathijs |
5 |
| Schilling, Johannes |
5 |
| Soen, Violet |
5 |
| Whitford, David M. |
5 |
| Arnot, Jean Gordon |
4 |
| Gordon, Keith 1961- |
4 |
| Selderhuis, Herman J. |
4 |