| Verfasser | Häufigkeit |
|---|---|
| Peters, Michael Adrian 1948- | 3 |
| Stickney, Jeff | 3 |
| Abler, Andrea M. | 1 |
| Broughton, Jeff | 1 |
| Chenoweth, Mary E. | 1 |
| Loredo, Elvira N. | 1 |
| Peters, John E. 1947- | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Peters, Michael Adrian 1948- | 3 |
| Stickney, Jeff | 3 |
| Abler, Andrea M. | 1 |
| Broughton, Jeff | 1 |
| Chenoweth, Mary E. | 1 |
| Loredo, Elvira N. | 1 |
| Peters, John E. 1947- | 1 |