| Verfasser | Häufigkeit |
| Allen, John R. L. 1932-2020 |
2 |
| Banerjea, Rowena Y. |
2 |
| Clarke, Catherine Jane |
2 |
| Clarke, John 1950- |
2 |
| Coll, Kathleen |
2 |
| Dagnino, Evelina |
2 |
| Durham, Emma |
2 |
| Fulford, Michael 1948- |
2 |
| Neveu, Catherine |
2 |
| Pankhurst, Nicholas |
2 |
| Agnew, Paul 1964- |
1 |
| Albertson, Frank 1909-1964 |
1 |
| Barnett, Catherine |
1 |
| Barnett, Catherine 1960- |
1 |
| Berganza, Teresa 1933-2022 |
1 |
| Bonfils, Tonio |
1 |
| Bonney, Barbara 1956- |
1 |
| Bott, Catherine 1952- |
1 |
| Bowman, James 1941- |
1 |
| Bowman, James 1941-2023 |
1 |