| Verfasser | Häufigkeit |
| Brown, Gregory K. |
2 |
| Barfuss, Michael H. J. 1977- |
1 |
| Beck, Aaron T. 1921-2021 |
1 |
| Halbritter, Heidemarie 1955- |
1 |
| Lerne, Elton M. C. |
1 |
| Manzanares, José M. |
1 |
| Pinzón, Juan P. |
1 |
| Samuel, Rosabelle |
1 |
| Steer, Robert A. |
1 |
| Till, Walter 1956- |
1 |