| Verfasser | Häufigkeit |
| Davies, Arthur 1950- |
2 |
| Folwell, Nicholas |
2 |
| Goodall, Reginald 1901-1990 |
2 |
| Gray, Linda Esther 1948- |
2 |
| Harris, John 1944- |
2 |
| Howell, Gwynne 1938- |
2 |
| Joll, Phillip 1954- |
2 |
| Mitchinson, John 1932- |
2 |
| Moses, Geoffrey |
2 |
| Wagner, Richard 1813-1883 |
2 |
| Welsh National Opera (Cardiff) Chorus |
2 |
| Welsh National Opera (Cardiff) Orchestra |
2 |
| Wilkens, Anne 1948- |
2 |
| Smith, Julian |
1 |