| Verfasser | Häufigkeit |
|---|---|
| Lomax, Harvard 1922-1999 | 10 |
| Heaslet, Max A. | 2 |
| Pulliam, Thomas H. 1951- | 2 |
| Zingg, David W. 1958- | 2 |
| Fuller, F. B. | 1 |
| Fuller, Franklin B. | 1 |
| Heaslet, Max. A. | 1 |
| Kutler, Paul | 1 |
| Sluder, Loma | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Lomax, Harvard 1922-1999 | 10 |
| Heaslet, Max A. | 2 |
| Pulliam, Thomas H. 1951- | 2 |
| Zingg, David W. 1958- | 2 |
| Fuller, F. B. | 1 |
| Fuller, Franklin B. | 1 |
| Heaslet, Max. A. | 1 |
| Kutler, Paul | 1 |
| Sluder, Loma | 1 |