| Verfasser | Häufigkeit |
| Church, George |
2 |
| Douglass, Stephen 1921-2011 |
2 |
| Horton, Robert 1924-2016 |
2 |
| Jones, Tom 1928-2023 |
2 |
| Kay, Hershy 1919-1981 |
2 |
| Schmidt, Harvey 1929-2018 |
2 |
| Schroeder, W. T. |
2 |
| Swenson, Inga |
2 |
| Swenson, K. G. |
2 |
| Swenson, Ruth Ann 1959- |
2 |
| Warren, Lesley Ann |
2 |
| Alagna, Roberto 1963- |
1 |
| Alt, Kurt L. |
1 |
| Carl, Jeffrey |
1 |
| Clarke, Paul Charles 1965- |
1 |
| Dillehay, Tom D. 1947- |
1 |
| Domingo, Plácido 1941- |
1 |
| Edwards, Terry 1939- |
1 |
| Eichenwald, Shirley |
1 |
| Eng, Robert L. |
1 |