| Verfasser | Häufigkeit |
|---|---|
| Pride, William M. | 36 |
| Ferrell, O. C. 1943- | 11 |
| Ferrell, Odies C. | 10 |
| Hughes, Robert J. 1946- | 9 |
| Kapoor, Jack R. 1937- | 9 |
| Dibb, Sally 1963- | 2 |
| Hicks, Herbert G. | 2 |
| Hughes, Robert J. | 2 |
| Hult, G. Tomas M. 1967- | 2 |
| Kapoor, Jack R. | 2 |
| Simkin, Lyndon 1961- | 2 |
| Dibb, Sally | 1 |
| Powell, James D. | 1 |
| Powell, James Donald | 1 |
| Simkin, Lyndon | 1 |