| Verfasser | Häufigkeit |
|---|---|
| Alberts, Bruce 1938- | 1 |
| Heald, Rebecca 1963- | 1 |
| Hunt, Tim 1943- | 1 |
| Johnson, Alexander 1968- | 1 |
| Morgan, David 1958- | 1 |
| Raff, Martin 1938- | 1 |
| Roberts, Keith 1945- | 1 |
| Walter, Peter 1954- | 1 |
| Wilson, John | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Alberts, Bruce 1938- | 1 |
| Heald, Rebecca 1963- | 1 |
| Hunt, Tim 1943- | 1 |
| Johnson, Alexander 1968- | 1 |
| Morgan, David 1958- | 1 |
| Raff, Martin 1938- | 1 |
| Roberts, Keith 1945- | 1 |
| Walter, Peter 1954- | 1 |
| Wilson, John | 1 |