| Verfasser | Häufigkeit |
| Zulaica López, Martín |
4 |
| Balbuena, Bernardo de 1568-1627 |
3 |
| Bhuiyan, M. Zahidul H. 1980- |
3 |
| Casillas Alvarado, Miguel Angel |
3 |
| González Cuevas, Oscar M. |
3 |
| López Cobos, Jesús 1940-2018 |
3 |
| López Zárate, Romualdo |
3 |
| Baldi, Alberto |
2 |
| Boccaccini, Aldo R. |
2 |
| Borre, Kai 1942- |
2 |
| Bueno Muñoz, Carmen |
2 |
| Cobo del Rosal, Manuel |
2 |
| Colzani, Anselmo 1918-2006 |
2 |
| Dalmau Moliner, Consuelo |
2 |
| Donizetti, Gaetano 1797-1848 |
2 |
| Díaz López, Fernando J. |
2 |
| ESORICS Barcelona |
2 |
| Fernández-Hernández, Ignacio 1977- |
2 |
| Gorustovich, Alejandro |
2 |
| Handt, Herbert 1926- |
2 |