| Opoix |
| Oporin, Joachim |
| Oporini, Giovanni |
| Oppedisano, Antonio |
| Oppedisano, Antonio |
| Oppel, Friedrich Wilhelm |
| Oppel (von), Friedrich Wilhelm |
| Oppel (von), Friedrich Wilhelm |
| Oppel, Herbert |
| [Segue] |
| Oppel, Herbert |
| Oppenheim, Ancel |
| Oppel, Nikol Michael |
| Oppenheim, Edward Phillips |
| Oppenheim, L. |
| Oppenheim, M. |
| Oppenheim (baron von), Max |
| [Segue] |
| Oppenheim, Paul |
| Oppenheim, S. |
| Oppenheim, S. |
| Oppenheimer, Francis |
| Oppenheimer, Franz |
| [Segue] |
| Oppenheimer, Franz |
