| Author | Popularity |
|---|---|
| van den Oord, G.H.J. | 2 |
| Barlow, J. | 1 |
| Bohnenstengel, S. | 1 |
| Domenico, B. | 1 |
| Grimmond, Sue | 1 |
| Groot, N.E. | 1 |
| Halios, C.H. | 1 |
| Hoogerwerf, M.R. | 1 |
| Kotthaus, S. | 1 |
| Masson, V. | 1 |
| Nativi, S. | 1 |
| Plieger, M. | 1 |
| Schaepman, M.E. | 1 |
| Schubert, S. | 1 |
| Sluiter, R. | 1 |
| Som de Cerff, W. | 1 |
| Steeneveld, G.J. | 1 |
| Stöckl, S. | 1 |
| Tsiringakis, Aristofanis | 1 |
| Wilhelmi, O. | 1 |
