| Termen/ Term | Nr. apariții/ No. occurrences |
| OSONO | 1 |
| OSSENBECK JAN VAN | 2 |
| OSSENBEECK JAN JOSIAS | 2 |
| OSSWALD PAUL | 1 |
| OSTA DE ADRIAEN VAN | 1 |
| OSTADE A. | 1 |
| OSTADE ADRIAEN VAN | 4 |
| OSTADE ISAAC VAN | 1 |
| OSTADE VAN | 3 |
| OSTAP ANDREI | 2 |
| OSTEN FRANS VAN | 1 |
| OSTENDORFER MARTIN MICHAEL | 1 |
| OSTERVALD AINE | 1 |
| OSTERWALD | 1 |
| OSTROWSKI LEON | 4 |
| OSWALD PAUL | 1 |
| OSZLANYI ZOLTAN | 1 |
| OTAGAWA HIKOSHIGE | 2 |
| OTELEANU LILI | 1 |
| OTESANI | 7 |
| OTETELESANU MICHAEL | 1 |
| OTETELESANU MICHAIL | 2 |
| OTETELESEANU MICHAIL OTILIA | 9 |
| OTETELISANU | 3 |
| OTOLAR CICUTHA | 2 |
| OTT IOSIF | 1 |
| OTTENS F. | 1 |
| OTTENS JOSUA | 2 |
| OTTENS R. | 1 |
| OTTERO BLAS | 1 |
| OTTO BRIEZ | 1 |
| OTTO FISCHER | 2 |
| OUTHWAITE | 1 |
| OUVRIE JUSTIN | 1 |
| OUVRIER JEAN | 2 |
| OVEJAN NICOLAE | 2 |
| OVERBECK JOHANN FRIEDRICH | 1 |
| OZANNE NICOLAS | 3 |
| OZENFANT AMEDEE | 1 |
| P. P. | 1 |
| P.B. | 1 |
| P.B.SCOALA NEDETERMINATA | 1 |
| P.LELY EQUES | 1 |
| P.MEJANEL | 1 |
| P.MOLYN | 12 |
| P.N. | 1 |
| P.P.RUBENS | 1 |
| P.PONTIUS | 1 |
| P.TR. | 1 |
| P.Z. | 1 |