| Verfasser | Häufigkeit |
| Clark, William Roberts 1962- |
8 |
| Clark, Mills G. |
7 |
| Golder, Matt 1973- |
7 |
| Clark, Timothy |
5 |
| Golder, Sona Nadenichek |
5 |
| Guldi, Dirk M. |
5 |
| Margraf, Johannes T. |
4 |
| Blumenthaler, Volker 1951- |
2 |
| Clark, A. |
2 |
| Clark, David M. 1954- |
2 |
| Clark, Jocelyn |
2 |
| Clark, Larry |
2 |
| Clark, Leslie L. |
2 |
| Clark, Lorenne M. G. |
2 |
| Clark, M. G. |
2 |
| Clark, Margaret G. |
2 |
| Clark, Matthew G. |
2 |
| Clark, T. |
2 |
| Edwards, Eric Alan |
2 |
| Ehlers, Anke 1957- |
2 |