| Verfasser | Häufigkeit |
|---|---|
| Kempe, Ruth S. | 8 |
| Kempe, Charles Henry | 7 |
| Kempe, Charles Henry 1922-1984 | 6 |
| Helfer, Ray E. | 2 |
| Kempe, C. Henry | 2 |
| Kempe, Henry C. | 2 |
| Bruyn, Henry B. | 1 |
| Silver, Henry K. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Kempe, Ruth S. | 8 |
| Kempe, Charles Henry | 7 |
| Kempe, Charles Henry 1922-1984 | 6 |
| Helfer, Ray E. | 2 |
| Kempe, C. Henry | 2 |
| Kempe, Henry C. | 2 |
| Bruyn, Henry B. | 1 |
| Silver, Henry K. | 1 |