| Verfasser | Häufigkeit |
|---|---|
| Crook, D. S. | 2 |
| Dearing, Helena | 2 |
| Dearing, J. A. | 2 |
| Thompson, R. | 2 |
| Bauer, Heidi | 1 |
| Cassidy, Geraldine | 1 |
| Connors, Gerard J. | 1 |
| Dearing, John S. | 1 |
| Dearing, Ronda L. | 1 |
| Equiluz, Manfred | 1 |
| Foster, G. C. | 1 |
| Geister, Jutta | 1 |
| Hart, Mary Ann | 1 |
| Hertel, Alfred 1935-2018 | 1 |
| Jones, R. T. | 1 |
| Kataja, Taina | 1 |
| Lebeda, Andreas | 1 |
| Maisto, Stephen A. | 1 |
| Mertin, Josef 1904-1998 | 1 |
| Minter, Drew 1955- | 1 |