| Verfasser | Häufigkeit |
| Pennington, George W. |
3 |
| Calvey, Thomas N. |
2 |
| Coleman, Janet |
1 |
| Fasolt, Constantin |
1 |
| Flüeler, Christoph |
1 |
| Genet, Jean-Philippe |
1 |
| Kerner, Max |
1 |
| Krynen, Jacques |
1 |
| Lambertini, Roberto |
1 |
| Michael, Bernd |
1 |
| Miethke, Jürgen |
1 |
| O'Neil, T. C. |
1 |
| Pennington, Kenneth |
1 |
| Quaglioni, Diego |
1 |
| Selge, Kurt- Victor |
1 |
| Struve, Tilman |
1 |
| Walsh, Katherine |
1 |
| Walther, Helmut G. |
1 |
| Šmahel, František |
1 |