| Verfasser | Häufigkeit |
| Calvo Rolle, José Luis |
10 |
| Corchado, Emilio |
10 |
| García Bringas, Pablo |
10 |
| Martínez de Pisón, Francisco Javier |
10 |
| Martínez Álvarez, Francisco |
10 |
| Pérez García, Hilde |
10 |
| Quintián, Héctor |
10 |
| Troncoso Lora, Alicia |
9 |
| Herrero, Álvaro |
7 |
| Fosci, Paolo |
5 |
| Calvo López-Guerrero, Gabriel |
4 |
| Frommer, Robin Daniel |
4 |
| Tzschaschel, Sabine 1951- |
4 |
| Castro y Calvo, José María 1903-1987 |
3 |
| Herrero Cosío, Álvaro |
3 |
| Jove, Esteban |
3 |
| Rabasa Díaz, Enrique 1957- |
3 |
| Avila, Lola de |
2 |
| Bercioux, Dario |
2 |
| Biava Ramponi, Pedro 1902-1972 |
2 |