| Verfasser | Häufigkeit |
| Bargellini, Marco |
1 |
| Bogani, Carlo Maria |
1 |
| Camuffo, Dario 1941- |
1 |
| Cimino, Vittoria |
1 |
| Colalucci, Gianluigi 1929- |
1 |
| Gabrielli, Nazzareno |
1 |
| García de la Serrana Villalobos, Rafael 1964- |
1 |
| Grabon, Michel |
1 |
| Kroes, Neelie 1941- |
1 |
| Mandrioli, Paolo |
1 |
| Mandyck, John |
1 |
| Maruyama, Kimio |
1 |
| Matteini, Mauro 1943- |
1 |
| Mauro, Walter |
1 |
| Mignucci, Roberto |
1 |
| Morresi, Fabio |
1 |
| Nesselrath, Arnold 1952- |
1 |
| Nicolini, Paolo |
1 |
| Paolucci, Antonio 1939-2024 |
1 |
| Patzak, Klaus |
1 |