| Author | Popularity |
| Aranburu Urtasun, Mikel |
1 |
| Ayerbe Iribar, María Rosa |
1 |
| Castells Arteche, José Manuel |
1 |
| Hucha Celador, Fernando de la |
1 |
| Jimeno Aranguren, Roldán |
1 |
| Leoné Puncel, Santiago |
1 |
| Madariaga Orbea, Juan |
1 |
| Mikelarena Peña, Fernando |
1 |
| Olóriz, Hermilio de |
1 |