| Verfasser | Häufigkeit |
|---|---|
| Dalzell, Tom 1951- | 3 |
| Victor, Terry | 3 |
| Dalzell, Archie R. 1911-1992 | 1 |
| Dalzell, Stephen | 1 |
| Evans, Alexandra | 1 |
| Gordon, Leo V. 1922-2000 | 1 |
| Lilly, Bilyana | 1 |
| Marrone, James V. | 1 |
| Nemeth, Erik | 1 |
| Price, Vincent 1911-1993 | 1 |
| Sargent, Matthew | 1 |