| Verfasser | Häufigkeit |
|---|---|
| Hodgson, Keith J. | 2 |
| Kizior, Robert J. | 2 |
| Witmer, James B. | 2 |
| Hendriks-Witmer, Eleanor | 1 |
| Kehr, Marguerite Witmer | 1 |
| Krull, Achim K. | 1 |
| Kunz, Stefan | 1 |
| Maurer, Roland | 1 |
| Shukyn, Murray | 1 |
| Witmer, Kurt Julian | 1 |
| Witmer, Urs | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Hodgson, Keith J. | 2 |
| Kizior, Robert J. | 2 |
| Witmer, James B. | 2 |
| Hendriks-Witmer, Eleanor | 1 |
| Kehr, Marguerite Witmer | 1 |
| Krull, Achim K. | 1 |
| Kunz, Stefan | 1 |
| Maurer, Roland | 1 |
| Shukyn, Murray | 1 |
| Witmer, Kurt Julian | 1 |
| Witmer, Urs | 1 |