| Verfasser | Häufigkeit |
| Atkinson, G. B. J. |
2 |
| Atkinson, Terry 1939- |
2 |
| Bainbridge, David 1941-2013 |
2 |
| Baldwin, Michael 1945- |
2 |
| Bouma, Gary D. |
2 |
| Höck, Wilhelm 1928- |
2 |
| Maenz, Paul 1939- |
2 |
| Vries, Gerd de 1944- |
2 |
| Atkinson, Bruce |
1 |
| Atkinson, J. A. |
1 |
| Cottier, A. |
1 |
| D'Cruz, Glenn |
1 |
| Dixon, Beverly R. |
1 |
| Dunn, James D. G. |
1 |
| Hall, Allan J. |
1 |
| Lee, Katja 1977- |
1 |
| Marshall, P. David 1958- |
1 |
| McDonald, Sharyn M. |
1 |
| Photos-Jones, Effie |
1 |
| Sanders, Guy D. R. |
1 |