| Verfasser | Häufigkeit |
| Albert, Arthur 1946- |
3 |
| Campbell, David 1948- |
3 |
| Eberhardt, Thom 1947- |
3 |
| Campbell, Jason H. |
2 |
| Evans, Alexandra T. |
2 |
| Sargent, Matthew |
2 |
| Aikema, Bernard 1949- |
1 |
| Beltran, Robert 1953- |
1 |
| Burke, Peter 1937- |
1 |
| Campbell, Caroline 1973- |
1 |
| Campbell, R. M. |
1 |
| Campbell, Tim Eldon Joseph |
1 |
| Castelli, Patrizia |
1 |
| Eykemans, Thomas |
1 |
| Fernández-Armesto, Felipe 1950- |
1 |
| Girven, Richard S. |
1 |
| Goodrich, James |
1 |
| Huff, Toby E. 1942- |
1 |
| Leu, Urs B. 1961- |
1 |
| Maroney, Kelli 1960- |
1 |