| Verfasser | Häufigkeit |
| Ridder, Nicolaas A. de |
12 |
| Kruseman, Gideon P. |
8 |
| Reháková, Nad'a |
5 |
| Ridder, N. A. de |
4 |
| Ridder, Nicolaas Arie de |
4 |
| Hrycaj, Serhij M. |
3 |
| Nad'jarnyj, Serhij V. |
3 |
| Rožkin, Mykola A. |
3 |
| Boonstra, J. |
2 |
| Dandasne, Nicolas A. |
2 |
| Diangelakis, Nikolaos A. |
2 |
| Dieleman, P. J. |
2 |
| Dierig, Norbert Achim |
2 |
| Dubova, Nadežda Anatolʹevna 1949- |
2 |
| Erez, A. |
2 |
| Kwiatkowski, Josef |
2 |
| Muradov, Ruslan Gelʹdyevič 1963- |
2 |
| Oberdieck, Richard |
2 |
| Pistikopoulos, Efstratios N. |
2 |
| Rappensbergerová-Jankovičová, Nad'a 1936- |
2 |