| Verfasser | Häufigkeit |
| Smulders, Frans J. M. |
6 |
| Smulders, Cobie 1982- |
4 |
| Coenen, P. J. J. |
3 |
| Lodewick, Herman Joseph Marie Fernand |
3 |
| Smulders, A. A. |
3 |
| Smulders, Jef 1988- |
3 |
| Smulders, Sjak |
3 |
| Evans, Chris 1981- |
2 |
| Johansson, Scarlett 1984- |
2 |
| Maddens, Bart 1963- |
2 |
| Smulders, Johannes Nicolaus Josephus |
2 |
| Smulders, Jonas 1994- |
2 |
| Smulders, Petrus Joseph Maria |
2 |
| Vollebergh, Herman R. J. |
2 |
| Zandvliet, Ko 1993- |
2 |
| André, Francisco J. |
1 |
| Anten, Hans 1947- |
1 |
| Assen, Robin 1983- |
1 |
| Bays, Carter |
1 |
| Bisschops, Jan |
1 |