| Verfasser | Häufigkeit |
|---|---|
| Weller, Charles Heald | 5 |
| Heald Weller, Charles | 3 |
| Heald, Mark A. | 3 |
| Heald, K. C. | 2 |
| Wharton, C. B. | 2 |
| Elmore, William C. | 1 |
| Thom, W. T. 1891-1979 | 1 |
| Wegemann, Carroll H. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Weller, Charles Heald | 5 |
| Heald Weller, Charles | 3 |
| Heald, Mark A. | 3 |
| Heald, K. C. | 2 |
| Wharton, C. B. | 2 |
| Elmore, William C. | 1 |
| Thom, W. T. 1891-1979 | 1 |
| Wegemann, Carroll H. | 1 |