| Autor | Títulos | | 1.
| Orlando, Jean-Pierre | 1 | | 2.
| Orlando, Peter | 1 | | 3.
| Orlando, Valerio Rocco, 1978- | 1 | | 4.
| Orléan, Matthieu | 1 | | 5.
| Orléans. Bibliothèque Municipale | 1 | | 6.
| Orléans, Charles de, 1391-1465 | 2 | | 7.
| Orléans, Duque de | 1 | | 8.
| Orley, Bernard | 1 | | 9.
| Orlhac, Urbain d', pseud. | 0 | | 10.
| Ver: Noël, Bernard, 1930- | 20 | | 11.
| Orlich, Birgit C. | 1 |
|
|
