| Verfasser | Häufigkeit |
|---|---|
| Pihl, Joron | 3 |
| Dalskov Pihl, Mie | 2 |
| Due, Jesper | 2 |
| Lund, Erik | 2 |
| Madsen, Jørgen Steen | 2 |
| Pihl, Mogens | 2 |
| Sløk, Johannes 1916-2001 | 2 |
| Canadell, Josep G. | 1 |
| Carlsten, Tone Cecilie | 1 |
| Pihl, Erik | 1 |
| Pihl, Johan | 1 |
| Skinstad van der Kooij, Kristin | 1 |