| Verfasser | Häufigkeit |
| Crommelin, Michael |
3 |
| Meibohm, Bernd |
3 |
| Sindelar, Robert D. |
3 |
| Crommelin, Daan J. A. 1948- |
2 |
| Crommelin, Claude Auguste |
1 |
| Crommelin, Daan J. A. |
1 |
| Crommelin, Robert D. |
1 |
| Lang, Andrew G. |
1 |
| Maaskant, Adrianus |
1 |
| Pearse, Peter H. |
1 |
| Rooseboom, Maria |
1 |
| Scott, Anthony |
1 |
| Thompson, Andrew R. |
1 |