| Verfasser | Häufigkeit |
|---|---|
| Withey, Stephen B. | 4 |
| Withey, Stephen Bassett 1918- | 4 |
| Andrews, Frank Marion 1870-1940 | 2 |
| Scott, William A. | 2 |
| Abeles, Ronald P. | 1 |
| Andrews, Frank M. | 1 |
| Fisher, Burton R. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Withey, Stephen B. | 4 |
| Withey, Stephen Bassett 1918- | 4 |
| Andrews, Frank Marion 1870-1940 | 2 |
| Scott, William A. | 2 |
| Abeles, Ronald P. | 1 |
| Andrews, Frank M. | 1 |
| Fisher, Burton R. | 1 |