| Verfasser | Häufigkeit |
| Stewart, Paul 1955- |
50 |
| Riddell, Chris 1962- |
34 |
| Riddell, Chris |
23 |
| Riddell, Sheila |
14 |
| Riddell, Sheila 1953- |
11 |
| Minty, Sarah |
4 |
| Weedon, Elisabet |
4 |
| Brydon, James |
3 |
| Riddell, Henry Scott |
3 |
| Shackelford, Jean |
3 |
| Coulson, Margaret A. |
2 |
| Gaiman, Neil 1960- |
2 |
| Gilmurray, John |
2 |
| Glass, Philip 1937- |
2 |
| Jain, Dhanpat |
2 |
| Jenkins, Martin 1959- |
2 |
| Pflüger, Friedrich 1963- |
2 |
| Riddell, David S. |
2 |
| Riddell, Duncan |
2 |
| Riddell, Richard |
2 |