| Verfasser | Häufigkeit |
| Harland, Eric |
13 |
| Epps, Harland W. |
8 |
| Harland, Peter |
7 |
| Grafarend, Erik W. 1939-2020 |
5 |
| Aller, Lawrence Hugh 1913-2003 |
3 |
| Harland, C. E. |
3 |
| Harland, Clive E. |
3 |
| Harland, Philip A. 1969- |
3 |
| Lloyd, Charles 1938- |
3 |
| Moran, Jason 1975- |
3 |
| Rogers, Reuben 1974- |
3 |
| Allen, Geri 1957-2017 |
2 |
| Carter, John W. |
2 |
| Danielsson, Lars 1958- |
2 |
| Eckhardt, Benedikt 1983- |
2 |
| Ford, Holland C. |
2 |
| Grafarend, Erik W. |
2 |
| Harland, David J. |
2 |
| Harland, Peter E. |
2 |
| Harris, Stefon 1973- |
2 |