| Verfasser | Häufigkeit |
|---|---|
| Borchardt, Knut | 1 |
| Feldman, Gerald D. | 1 |
| Grimm, Dieter | 1 |
| Holtfrerich, Carl-Ludwig | 1 |
| John, Jürgen | 1 |
| Kershaw, Ian | 1 |
| Kolb, Eberhard | 1 |
| Mommsen, Hans | 1 |
| Nowak, Kurt | 1 |
| Petzold, Joachim | 1 |
| Pyta, Wolfram | 1 |
| Schulz, Gerhard | 1 |
| Schönhoven, Klaus | 1 |
| Turner, Henry Ashby | 1 |
| Winkler, Heinrich August | 1 |
| Zollitsch, Wolfgang | 1 |