| Verfasser | Häufigkeit |
|---|---|
| Gibson, Daniel G. | 1 |
| Hattingh, Suzanne | 1 |
| Hough, J.J | 1 |
| Hutchison, Clyde Allen | 1 |
| Leube, Anna 1943- | 1 |
| Leube, Wolf Heinrich 1947- | 1 |
| Mandela, Nelson 1918-2013 | 1 |
| Smith, Hamilton O. | 1 |
| Venter, J. Craig 1946- | 1 |
| Venter, J.S.M | 1 |
| Venter, Marius | 1 |
| Venter, Sahm | 1 |