| Verfasser | Häufigkeit |
| Folmer, Britta |
3 |
| Folmer, Emma |
2 |
| Jacobs, Bas 1973- |
2 |
| Jong, Gjalt de 1968- |
2 |
| Mooij, Ruud A. de 1968- |
2 |
| Ünal, Berfu |
2 |
| Batabyal, Amitrajeet A. 1965- |
1 |
| Beyer, Klaus |
1 |
| Blank, Imre |
1 |
| Bonnén, Folmer 1885-1960 |
1 |
| Bridgewater Kowalski, Tulani |
1 |
| Bridgewater, Dee Dee 1950- |
1 |
| Ceccarelli, André 1946- |
1 |
| Coleman, Ira 1956- |
1 |
| Eliez, Thierry 1964- |
1 |
| Faber, N. E. D. 1969- |
1 |
| Faber, Niels |
1 |
| Folmer, C. |
1 |
| Folmer, Henk 1945- |
1 |
| Folmer, Kees |
1 |