| Verfasser | Häufigkeit |
| Herbst, Derral R. 1934- |
6 |
| Herbst, Derral R. |
5 |
| Sohmer, S. H. |
5 |
| Wagner, Warren L. |
5 |
| Fosberg, F. Raymond 1908-1993 |
2 |
| Staples, George W. |
2 |
| Gustafson, Robert |
1 |
| Gustafson, Robert J. |
1 |
| Herbst, Derral |
1 |
| Imada, Clyde T. |
1 |
| Rundel, Philip W. |
1 |
| Rundel, Philip W. 1943- |
1 |
| Staples, George |
1 |