| Verfasser | Häufigkeit |
| Goodman, Robyn S. |
3 |
| Steyn, Elanie |
3 |
| Steyn, Jacques |
3 |
| Du Toit, Stephen H. C. |
2 |
| Falkheimer, Jesper 1970- |
2 |
| Gauthier, Randall X. |
2 |
| George, Götz |
2 |
| Hallahan, Kirk |
2 |
| Heath, Robert L. 1941- |
2 |
| Jaenicke, Hannes |
2 |
| Johansen, Winni |
2 |
| Kieling, Wolfgang |
2 |
| Kotzé, Gideon R. 1982- |
2 |
| Raupp, Juliana 1963- |
2 |
| Schenkel, Carl |
2 |
| Soutendijk, Renee |
2 |
| Steyn, A. G. W. |
2 |
| Steyn, Benita |
2 |
| Steyn, Gert J. 1962- |
2 |
| Steyn, Jacques 1954- |
2 |