| Verfasser | Häufigkeit |
| Ronchi De Michelis, Laura |
4 |
| Ronchi, Lisa |
3 |
| Charles, Lorraine |
2 |
| Liesenfeld, Stefan 1962- |
2 |
| Paolini, Luca |
2 |
| Pappé, Ilan 1954- |
2 |
| Ronchi, Claudio |
2 |
| Ronchi, Ermes Maria 1947- |
2 |
| Ronchi, Loraine |
2 |
| Ronchi, Luca 1956- |
2 |
| Ronchi, Lucia |
2 |
| Ronchi, Monica |
2 |
| Adorni, Bruno 1946- |
1 |
| Albertoni, Giuseppe 1961- |
1 |
| Albini, Giuliana |
1 |
| Allegri, Luigi |
1 |
| Altieri, Barbara |
1 |
| Angeletti, Anna Laura |
1 |
| Antonetti, Nicola 1945- |
1 |
| Appleyard, Donald |
1 |