| Verfasser | Häufigkeit |
| Schumacker, René |
20 |
| Schumacker, Randall E. |
14 |
| Lomax, Richard G. |
4 |
| De Zuttere, Philippe |
3 |
| Lambinon, Jacques |
3 |
| Lomax, Richard G. 1954- |
3 |
| Aleffi, Michele |
2 |
| Ramaut, J. L. |
2 |
| Schumacker, R. |
2 |
| Soldán, Zdeněk |
2 |
| Tomek, Sara |
2 |
| Váňa, Jiří |
2 |
| Werner, Jean |
2 |
| Whittaker, Tiffany A. |
2 |
| Zuttere, Ph. de |
2 |
| Cortini Pedrotti, Carmela |
1 |
| Damblon, Jean |
1 |
| Danielsson, Christer 1942-1989 |
1 |
| Demoulin, Vincent |
1 |
| Dirkse, G. M. |
1 |