| Author | Popularity |
|---|---|
| Nap, Jan Peter | 2 |
| Goedegebure, Robert | 1 |
| Kempenaar, Marcel | 1 |
| Nap, Jan-Peter | 1 |
| Poortinga, Arne M. | 1 |
| Sanchez-Perez, Gabino F. | 1 |
| Timal, N.R.N. | 1 |
| Varbanescu, Ana L. | 1 |
| Warris, Sven | 1 |
| van Dijk, Aalt-Jan | 1 |
| van Dijk, Mathilde | 1 |
| van de Geest, Henri | 1 |
