| Verfasser | Häufigkeit |
| Witmer, Jeffrey A. |
6 |
| Samuels, Myra L. |
5 |
| Witmer, Astrid |
4 |
| Agricola, Sixtus |
2 |
| Schaffner, Andrew A. |
2 |
| Witmer, Ann-Perry |
2 |
| Witmer, Georg |
2 |
| Witmer, Jeffrey A. 1959- |
2 |
| Cobb, George W. |
1 |
| Cryer, Jonathan D. |
1 |
| Hendriks-Witmer, Eleanor |
1 |
| Krull, Achim K. |
1 |
| Melnick, Steven A. |
1 |
| Mingee, Jess |
1 |
| O'Loughlin, John V. |
1 |
| Panin, Alexander |
1 |
| Scully, Bernhard D. |
1 |
| Shukyn, Murray |
1 |
| Witmer, Amanda |
1 |
| Witmer, Andrew ca. 21. Jh |
1 |