| Verfasser | Häufigkeit |
|---|---|
| Henderson, Harold M. | 3 |
| Townsend, Ronald J. | 3 |
| Eskin, Neason A. M. | 2 |
| Eskin, N. A. Michael 1941- | 1 |
| Townsend, C. C. | 1 |
| Whitehouse, Harold L. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Henderson, Harold M. | 3 |
| Townsend, Ronald J. | 3 |
| Eskin, Neason A. M. | 2 |
| Eskin, N. A. Michael 1941- | 1 |
| Townsend, C. C. | 1 |
| Whitehouse, Harold L. | 1 |