| Verfasser | Häufigkeit |
| Barlow, David H. 1942- |
2 |
| Bentley, Kate H. |
2 |
| Boettcher, Hannah T. |
2 |
| Bullis, Jacqueline R. |
2 |
| Cassiello-Robbins, Clair |
2 |
| Ellard, Kristen K. |
2 |
| Farchione, Todd J. 1974- |
2 |
| Murray Latin, Heather |
2 |
| Sauer-Zavala, Shannon |
2 |
| Caspar, Franz 1953- |
1 |