| Author | Titles | | 1.
| Pedro, Ivone | 1 | | 2.
| Pedro, João | 1 | | 3.
| Pedro, João Branco | 1 | | 4.
| Pedro, João Gomes | 6 | | 5.
| Pedro, José da Silva | 1 | | 6.
| Pedro, José Simões, Padre | 2 | | 7.
| Pedro Julião ca. 1220-1277 | 0 | | 8.
| Author is: Pedro Hispano, ca. 1220-1277 | 4 | | 9.
| Pedro, Lina | 1 | | 10.
| Pedro, Lombardo | 1 | | 11.
| Pedro, Luís | 5 |
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