| Verfasser | Häufigkeit |
|---|---|
| Aldy, Joseph E. | 1 |
| Anderson, Thomas J. | 1 |
| Baddeley, Hermione | 1 |
| Coghill, Nevill | 1 |
| Cooper, Roy | 1 |
| Cramer, Steven C. | 1 |
| Duncan, Sandy | 1 |
| Ensslen, Dick | 1 |
| Evanko, Ed | 1 |
| Gardner, Ann | 1 |
| Greene, Martyn | 1 |
| Hawkins, John | 1 |
| Hill, Richard 1942- | 1 |
| Hyde, Bruce | 1 |
| Kosarin, Oscar | 1 |
| Michaels, Bert | 1 |
| Nudo, Randolph J. | 1 |
| Page, David L. | 1 |
| Page, Evelyn | 1 |
| Rose, George | 1 |