| Verfasser | Häufigkeit |
| Appleby, John A. D. |
2 |
| Appleby, Paul 1983- |
2 |
| Fury, Cheryl A. 1966- |
2 |
| Mao, Xuerong |
2 |
| Riedle, Markus 1971- |
2 |
| Adams, John 1947- |
1 |
| Aldrige, Betty |
1 |
| Appleby, Betty |
1 |
| Appleby, John |
1 |
| Bates, Terry John |
1 |
| Baynes, Jeff |
1 |
| Bevan, Sophie 1983- |
1 |
| Bines, Jeremy |
1 |
| Bolton, Ivor 1958- |
1 |
| Bullock, Julia |
1 |
| Crowe, Lucy 1978- |
1 |
| Davies, Iestyn 1979- |
1 |
| Davies, John |
1 |
| Devlin, Nancy |
1 |
| Florence, Isabella |
1 |