| Author | Popularity |
|---|---|
| Janse van Rensburg,D C | 7 |
| Fletcher,L | 6 |
| Grant,C C | 6 |
| Jansen van Rensburg,A | 4 |
| Velleman,M D | 2 |
| Janse Van Rensburg,D C | 1 |
| Sparks,I M | 1 |
| Strauss,G L | 1 |
| Strauss,O | 1 |
| Venter,S | 1 |
| Zondi,P C | 1 |
| van Buuren,H E | 1 |
| van der Colff,F J | 1 |
| van der Walt,A | 1 |
| van der Walt,A J | 1 |
