| Verfasser | Häufigkeit |
| Zyl, D. H. van |
6 |
| Zyl, A. H. van |
5 |
| Zyl, Albertus Hermanus van 1925-2004 |
4 |
| Zyl, Deon H. van |
3 |
| Zyl-Hermann, Danelle van ca. 20./21. Jh |
3 |
| Adam, Heribert 1936- |
2 |
| Money, Duncan 1988- |
2 |
| Moodley, Kogila |
2 |
| Van Zyl Slabbert, Frederik |
2 |
| Beckmann, Inge ca. 20. Jh |
1 |
| Blackwell, William |
1 |
| Botes, M. M. |
1 |
| Dünkel, Frieder 1950- |
1 |
| Elachi, Charles 1947- |
1 |
| Fung, Adrian K. |
1 |
| Harrendorf, Stefan 1976- |
1 |
| Heinecken, Lindy |
1 |
| Holscher, Harold ca. 20. Jh |
1 |
| Hossche, Sidronius de 1596-1653 |
1 |
| Long, David G. |
1 |