| Verfasser | Häufigkeit |
| Zur Strassen, Otto |
22 |
| Brehm, Alfred Edmund 1829-1884 |
14 |
| Zagorskij, Semen O. |
9 |
| Marshall, William |
4 |
| Zagorskij, Semën Osipovič 1881-1930 |
4 |
| Heck, Ludwig 1860-1951 |
3 |
| Sözer, Hilmi 1970- |
3 |
| Zur Strassen, Otto 1869-1961 |
3 |
| Žirnov, Sergej Olegovič 1961- |
3 |
| Lohmeyer, Peter 1962- |
2 |
| Mäenpää, Outi 1962- |
2 |
| Petri, Nina 1963- |
2 |
| Prokopenko, Ljudmyla Isaakivna |
2 |
| Steyer, Christian 1946- |
2 |
| Sözer, Önay |
2 |
| Werner, Franz 1867-1939 |
2 |
| Zacharenko, Serhij Oleksandrovyč |
2 |
| Zalampas, Sherree O. |
2 |
| Zimmer, Sven-O. 1972- |
2 |
| Zvilinsʹkyj, Serhij Oleksandrovyč ca. 20./21. Jh |
2 |