| Verfasser | Häufigkeit |
|---|---|
| Beker, Henry J. | 4 |
| Eberhardt, Ursula 1966- | 2 |
| Piper, Fred | 2 |
| Beker, Henry | 1 |
| Grilli, Edmondo | 1 |
| Piper, Frederick C. 1940- | 1 |
| Schütz, Nicole | 1 |
| Vesterholt, Jan 1954-2011 | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Beker, Henry J. | 4 |
| Eberhardt, Ursula 1966- | 2 |
| Piper, Fred | 2 |
| Beker, Henry | 1 |
| Grilli, Edmondo | 1 |
| Piper, Frederick C. 1940- | 1 |
| Schütz, Nicole | 1 |
| Vesterholt, Jan 1954-2011 | 1 |