| Verfasser | Häufigkeit |
|---|---|
| Brophy, Kenneth | 3 |
| MacGregor, Ian | 3 |
| Burdekin, Helen | 2 |
| MacGregor, Gavin 1969- | 2 |
| Ralston, Ian | 2 |
| Rutherford, John | 2 |
| Kaiser, Ralf | 1 |
| MacGregor, Gavin | 1 |
| MacGregor, Ian James Douglas | 1 |
| Ralston, Ian 1950- | 1 |
| Tyler, Rodney | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Brophy, Kenneth | 3 |
| MacGregor, Ian | 3 |
| Burdekin, Helen | 2 |
| MacGregor, Gavin 1969- | 2 |
| Ralston, Ian | 2 |
| Rutherford, John | 2 |
| Kaiser, Ralf | 1 |
| MacGregor, Gavin | 1 |
| MacGregor, Ian James Douglas | 1 |
| Ralston, Ian 1950- | 1 |
| Tyler, Rodney | 1 |