| Verfasser | Häufigkeit |
| Kok, Jacobus |
78 |
| Kok, J. |
17 |
| Kok, Jacobus 1978- |
8 |
| Kok, Johannes 1821-1887 |
6 |
| Kok, D. J. |
5 |
| Grobler, Lorinda |
4 |
| Kok, Derk Jan |
4 |
| Kok, Henricus Josephus |
4 |
| Kok, Jan |
4 |
| Abdurehim, Yalckun |
3 |
| Douglin, Perry |
3 |
| Gopsill, David |
3 |
| Hegarty, Mary ca. 20. Jh |
3 |
| Kelly, Janis ca. 20. Jh |
3 |
| Kenny, Yvonne 1950- |
3 |
| Kok, Marcel T. J. 1968- |
3 |
| Kok, Nicholas 1962- |
3 |
| Lewis, Gabriela |
3 |
| Pita, Arthur ca. 20. Jh |
3 |
| Purcell, Henry 1659-1695 |
3 |