| Verfasser | Häufigkeit |
| Alan, Knight |
2 |
| Carlos, Contreras |
2 |
| Contreras, Carlos Arturo |
2 |
| Martínez de Aguirre y Aldaz, Carlos |
2 |
| Pablo Contreras, Pedro de |
2 |
| Pérez Álvarez, Miguel Ángel |
2 |
| Aguilar Contreras, Abigail |
1 |
| Aline, Helg |
1 |
| Aljovín de Losada, Cristóbal |
1 |
| Ambrosian Opera Chorus |
1 |
| Angela, Vergara |
1 |
| Berganza, Teresa 1933-2022 |
1 |
| Brooke, Larson |
1 |
| Carreras, José 1946- |
1 |
| Carvajal-Contreras, Andrés M. |
1 |
| Charles F., Walker |
1 |
| Cid, Manuel |
1 |
| Contreras Azaña, Jose Carlos |
1 |
| Contreras, Carlos A. |
1 |
| Contreras, Ramon |
1 |