| Author | Popularity |
| Saponari, Maria |
25 |
| Landa, Blanca B. |
17 |
| European Commission |
15 |
| Boscia, Donato |
9 |
| Giampetruzzi, Annalisa |
9 |
| Navas Cortés, Juan Antonio |
9 |
| Román Ecija, Miguel |
7 |
| Loconsole, Giuliana |
6 |
| Marco-Noales, E. |
6 |
| Montes Borrego, Miguel |
6 |
| Saldarelli, Pasquale |
6 |
| Velasco-Amo, María Pilar |
6 |
| Almeida, Rodrigo P. P. |
4 |
| Beck, P. S. A. |
3 |
| Cavalieri, Vincenzo |
3 |
| Fuente, L. de la |
3 |
| Hornero, Alberto |
3 |
| Poblete, Tomás |
3 |
| Zarco-Tejada, Pablo J. |
3 |
| Amoia, Serafina Serena |
2 |
