| Author | Popularity |
| Catassi, Carlo |
2 |
| Ciclitira, Paul J. |
2 |
| Gianfrani, Carmen |
2 |
| Koehler, Peter |
2 |
| Koning, Frits |
2 |
| Lundin, Knut E.A. |
2 |
| Schuppan, Detlef |
2 |
| Smulders, Marinus J.M. |
2 |
| Tranquet, Olivier |
2 |
| Troncone, Riccardo |
2 |
| Chirdo, Fernando |
1 |
| Chirdo, Fernando G. |
1 |
| Feighery, Conleth |
1 |
| Feighery, Conleth Francis |
1 |
| Masci, Stefania |
1 |
| Scherf, Katharina A. |
1 |
| Scherf, Katharina Anne |
1 |
