| O Roma o morte. |
| O, salve vir eminentissime salve picentium decus Aemiliae desiderium Antoni Maria Cadolini Cardinalis novensilis et quem tibi fasciculum inscripsionum et carminum utriusque linguae Longianenses clientuli tui addietissim sishimus Venerabum di solens ... |
| Oakes, Maud |
| Oakes, Maud |
| Oakes, Maud |
| Oasi (L'). |
| Obaldia (de), René |
| Obbedienza (L') di Gionata. |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, Aldo |
| Oberdorfer, A. |
| Oberdorfer, A. |
| Oberdorfer, Cesira |
| Oberdorfer, Aldo |
| Oberhausen, Giorgio |
| Oberling, Charles |
| Oberosler, (G) |
| Oberman |
| Oberasler, Giuseppe |
| Oberasler, Giuseppe |
| Oberasler, Giuseppe |
| Oberasler, Giuseppe |
| Oberosler, Giuseppe |
| Obersteiner, M. |
| Obertello, Alfredo |
| Obertello, Alfredo |
| Obertello, Alfredo |
| Oberth, Hermann |
| Oberti, Eugenio |
| Oberti, E. |
| Oberti, G. |
| Oberti, Zanaria |
| Oberto |
| Obertus Cancellarius |
| Oberziner, Giovanni |
| Oberziner, G. A. |
| Oberziner, Ludovico |
| Obicino, Bernardino |
| Obicino (Fra), Bernardino |
| Obiole, Mariano |
| Obizi (Degli), Pio Enea |
