| Verfasser | Häufigkeit |
| Forbes, Allan |
7 |
| Eastman, Ralph M. |
3 |
| Robinson, Forbes 1926-1987 |
2 |
| Allan, Thomas |
1 |
| Bainbridge, Elizabeth 1930- |
1 |
| Barnett, Allan G. |
1 |
| Britten, Benjamin 1913-1976 |
1 |
| Cade, Joe W. |
1 |
| Cahill, Teresa ca. 1944- |
1 |
| Davis, Colin 1927-2013 |
1 |
| Dobson, John 1930- |
1 |
| Domingo, Plácido 1941- |
1 |
| Forbes, Stephen J. |
1 |
| Friedrich, Götz 1930-2000 |
1 |
| Harper, Heather 1930-2019 |
1 |
| Hubbell, Allan Forbes |
1 |
| Lamp, Charles A. |
1 |
| Lanigan, John 1921-1996 |
1 |
| Leggate, Robin 1946- |
1 |
| Pashley, Anne 1937- |
1 |