| Termen/ Term | Nr. apariții/ No. occurrences |
| ROSTOCK | 2 |
| ROSTOVTEV (IU.N | 1 |
| ROSTOVTEV (V | 1 |
| ROSU ANGELA | 1 |
| ROSU AUREL | 1 |
| ROSU CIN | 1 |
| ROSU GHEORGHE | 10 |
| ROTARI PIETRO | 4 |
| ROTARU D. | 1 |
| ROTARU DORU | 4 |
| ROTARU I. | 1 |
| ROTARU ION | 3 |
| ROTARU MIRCEA | 1 |
| ROTEANU N. | 69 |
| ROTEANU NICOLAE | 1 |
| ROTENBERG | 1 |
| ROTH A ISTVAN | 13 |
| ROTTENHAMMER JOHANN | 2 |
| ROTTENSTEIN WILLIAM | 1 |
| ROTTERDAM | 2 |
| ROTTMANN A | 2 |
| ROTTMANN A. | 2 |
| ROTTMANN M | 1 |
| ROTTMAYR VON ROSENBRUN JOHANN FRANZ MICHAEL | 10 |
| ROUARGUE | 1 |
| ROUARGUE ADOLPHE | 1 |
| ROUBAND F. | 1 |
| ROUBAUD FRANZ | 1 |
| ROUBILLE AUGUSTE J | 1 |
| ROUGET | 24 |
| ROULEAU JULES | 1 |
| ROUSOVA PAULA | 2 |
| ROUSSEAU HENRI NUMIT LE DOUANIER | 1 |
| ROUSSEAU PHILIPPE | 1 |
| ROUSSEAU THEODORE | 13 |
| ROUSSEL K XAVIER | 1 |
| ROUSSET JULES | 1 |
| ROUSSOFF ALEXANDR NICOLAEVICI | 5 |
| ROUX | 2 |
| ROUX CHAMPION | 1 |
| ROUX OSWALD | 1 |
| ROWLAND EDUARD | 1 |
| ROWLAND LANCHAID | 1 |
| ROWLANDSON THOMAS | 4 |
| ROWLANSON THOMAS | 4 |
| ROY PIERRE MARCEL | 1 |
| ROYBET FERDINAND | 3 |
| ROYBET FERDINAND (DEL ET SC) | 1 |
| ROYER PETER SEVERIN | 1 |
| ROYS FOY | 1 |