| Author | Titles | | 1.
| Barrio, J. | 1 | | 2.
| Barrio, Jaime María del, Padre | 1 | | 3.
| Barrio Maestre, Maria-Luisa | 2 | | 4.
| Barrio, Maria-Luisa | 2 | | 5.
| Barrio Moya, José Luis | 1 | | 6.
| Barriobero y Herrán, Eduardo | 1 | | 7.
| Barriocanal López, Yolanda | 1 | | 8.
| Barrio-Garay, José Luis | 1 | | 9.
| Barrios, Álvaro, 1945- | 1 | | 10.
| Barrios, Amália da Conceição Garrido | 1 |
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