| Verfasser | Häufigkeit |
|---|---|
| Bechly, Günter | 2 |
| Loveridge, Robert F. | 2 |
| Martill, David M. | 2 |
| Borowy, Iris 1962- | 1 |
| Ferns, Nicholas | 1 |
| Friedmann, Herbert | 1 |
| Loveridge, Arthur 1891-1980 | 1 |
| Loveridge, E. A. | 1 |
| Loveridge, Ferrer Lawton | 1 |
| Loveridge, Jack | 1 |
| Unger, Corinna R. 1978- | 1 |