| Termen/ Term | Nr. apariții/ No. occurrences |
| RAVH J. | 1 |
| RAY ANATOLE PAUL | 1 |
| RAYNE A.H. | 2 |
| RAYPER ERNEST | 1 |
| RAZAN | 1 |
| REALIER-DUMAS MAURICE | 1 |
| REALISM | 2 |
| REALISMUL FRANCEZ | 2 |
| RECEPOVICI ALEXANDRU | 4 |
| RECHENBERG LUCIA | 21 |
| REDLINGER ALMA | 20 |
| REDON ODILON | 12 |
| REEVE R. G. | 1 |
| REF.KOLL.LITH.KOLOSZVART | 1 |
| REFORMAT | 5 |
| REFORMATA | 1 |
| REGNAULT FRANCOIS | 1 |
| REGNAULT HENRI ALEXANDRE | 1 |
| REGNAULT HIPPOLYTE ARMAND | 1 |
| REGNAULT THOMAS CASIMIR | 1 |
| REGONA ANTONIO | 2 |
| REIF | 1 |
| REIFENSTEIN | 1 |
| REIFENSTEIN SI ROSCH | 3 |
| REIFF JOHANN CONRAD | 5 |
| REIFFENSTEIN | 1 |
| REIFFENSTEIN & ROSCH | 2 |
| REIFFENSTEIN ROESCH | 1 |
| REIFFENSTEIN ROSCH | 1 |
| REIFFENSTEIN SI ROSCH | 3 |
| REIFFENSTEIN UND ROSCH | 4 |
| REIFFENSTIEN | 1 |
| REINHOLD | 1 |
| REINIER | 2 |
| REISS | 1 |
| REISS HANS CHRISTIAN | 1 |
| REISSER C. | 1 |
| REISSER CH. | 1 |
| REIYNTYENS ENGELBERTUS HERICUS | 1 |
| REMBRANDT | 7 |
| REMBRANDT HARMENSZ VAN RIJN | 27 |
| REMBRANDT RIJN VAN | 1 |
| REMBRANDT VAN RJIN | 2 |
| REMMER GAVRIL | 1 |
| REMON | 2 |
| REMOU | 1 |
| RENASTERE | 1 |
| RENAUD B. | 1 |
| RENDICH | 1 |
| RENE PEAN | 1 |