| Author | Titles | | 1.
| Pena, Gonçalo, 1967- | 12 | | 2.
| Pena González, Pablo | 1 | | 3.
| Pena, Isabel, 1949- | 3 | | 4.
| Related author: Artever (Grupo de artistas) | 3 | | 5.
| Pena, Isaura, 1958- | 1 | | 6.
| Pena, José Manuel das Neves | 1 | | 7.
| Pena Júnior, Afonso | 2 | | 8.
| Pena, Mercedes Aguiar | 1 | | 9.
| Peña Mondragón, Fernando | 1 | | 10.
| Pena Penabad, Ana María | 1 | | 11.
| Peña, René, 1957- | 1 |
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