| Verfasser | Häufigkeit |
| Espinar Vicente, José María |
15 |
| Zugaldía Espinar, José Miguel |
5 |
| Espinar, José M. 1980- |
2 |
| Viana, Marcelo 1962- |
2 |
| Barboza, G. E. |
1 |
| Cantero, Juan José |
1 |
| Chiapella, J. |
1 |
| Chiarini, Franco E. |
1 |
| Espinar Moreno, Antonio Luis |
1 |
| Espinar Moreno, Manuel |
1 |
| Espinar, Ariza |
1 |
| Espinar, José María 1974- |
1 |
| Freire, Susana E. |
1 |
| Laurenzo Copello, Patricia |
1 |
| López Osorio, José Manuel |
1 |
| Maqueda Abreu, María Luisa |
1 |
| Nuñez, César Omar |
1 |
| Palchetti, Virginia |
1 |
| Portilla Contreras, Guillermo |
1 |
| Pérez Alonso, Esteban Juan |
1 |