| Verfasser | Häufigkeit |
| Edwards, William M. |
4 |
| Duffy, Ann |
3 |
| Duffy, Kathryn Ann Pohlmann |
3 |
| Duffy, Michael F. |
3 |
| Duffy, Patricia Ann 1955- |
3 |
| Duffy, Patrick |
3 |
| Petter, Michaela |
3 |
| Pupo, Norene |
3 |
| Bachmann, Anna |
2 |
| Duffy, Paul |
2 |
| Gray, Linda |
2 |
| Hagman, Larry |
2 |
| Jessup, Robert C. |
2 |
| Kandalov, Andrej I. |
2 |
| Kay, Ronald D. |
2 |
| Moore, Irving J. |
2 |
| Adalian, Paul T. |
1 |
| Allen, Corey |
1 |
| Arman, Howard 1954- |
1 |
| Armstrong, Craig 1959- |
1 |