| Verfasser | Häufigkeit |
| Wit, Hans de 1950- |
10 |
| Wit, Cornelis Henricus Eligius de |
8 |
| Gacel-Ávila, Jocelyne |
5 |
| Jones, Elspeth 1956- |
5 |
| Huang, Futao |
3 |
| Tamrat, Wondwosen |
3 |
| Thondhlana, Juliet |
3 |
| Wit, Harry de 1952- |
3 |
| Wit, Juliette de 1958- |
3 |
| Barchewitz, E. C. |
2 |
| Chiyevo Garwe, Evelyn |
2 |
| Dort, Evelien van 1961- |
2 |
| Dougados, M. |
2 |
| Drobner, Antje |
2 |
| Eeden, Frank van den 1971- |
2 |
| Gossec, L. |
2 |
| Jooste, Nico |
2 |
| Kvien, T. K. |
2 |
| Leask, Betty |
2 |
| Wit, Hendrik C. D. de |
2 |