| Verfasser | Häufigkeit |
| Adams, Donald 1928-1996 |
3 |
| Folwell, Nicholas |
3 |
| Mackerras, Charles 1925-2010 |
3 |
| Suart, Richard 1951- |
3 |
| Sullivan, Arthur 1842-1900 |
3 |
| Van Allan, Richard 1935-2008 |
3 |
| Adams, Robin D. |
2 |
| Ambraseys, Nicholas N. 1929- |
2 |
| Gilbert, William S. 1836-1911 |
2 |
| Howells, Anne 1941- |
2 |
| McLaughlin, Marie 1954- |
2 |
| Rolfe Johnson, Anthony 1940-2010 |
2 |
| Watson, Janice 1964- |
2 |
| Welsh National Opera (Cardiff) Chorus |
2 |
| Welsh National Opera (Cardiff) Orchestra |
2 |
| Adams, Colin E. P. 1963- |
1 |
| Adams, David B. 1950- |
1 |
| Adams, Michael 1947- |
1 |
| Adams, Nicholas |
1 |
| Adams, Nicholas 1947- |
1 |