| Verfasser | Häufigkeit |
|---|---|
| Twidale, Charles R. | 19 |
| Foale, M. R. | 3 |
| Twidale, C. Rowl | 3 |
| Twidale, C. R. | 2 |
| Bourne, Jennie A. | 1 |
| Bourne, Jennifer A. | 1 |
| Campbell, Elizabeth M. | 1 |
| Mainet, Guy | 1 |
| Morin, Serge | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Twidale, Charles R. | 19 |
| Foale, M. R. | 3 |
| Twidale, C. Rowl | 3 |
| Twidale, C. R. | 2 |
| Bourne, Jennie A. | 1 |
| Bourne, Jennifer A. | 1 |
| Campbell, Elizabeth M. | 1 |
| Mainet, Guy | 1 |
| Morin, Serge | 1 |