| Termen/ Term | Nr. apariții/ No. occurrences |
| DUPON JOSUE | 1 |
| DUPONT FELIX | 1 |
| DUPONT HENRIQUEL | 1 |
| DUPONT PAUL | 1 |
| DUPRE JULES | 3 |
| DUPRE JULIEN | 6 |
| DUPRE L | 1 |
| DUPRE LOUIS | 1 |
| DUPREEL(DUPREHEL)J.D.B. | 10 |
| DUPUIS C. | 1 |
| DUPUIS NICOLAS-GABRIEL | 1 |
| DURAND ANDRE | 6 |
| DURAND-BRAGER | 1 |
| DURANDEAU AUGUSTE | 1 |
| DURANGEL | 1 |
| DURANGEL DURAND ANTOINE VICTOR LEOPOLD | 1 |
| DURANGER | 1 |
| DURE DIODOR | 3 |
| DURER ALBRECHT | 55 |
| DUSART (DUSAERT) CORNELIS | 2 |
| DUSSELDORF | 10 |
| DUTOIT ULYSE | 1 |
| DUVAL | 1 |
| DUVAL DEMETRESCU VIRGIL | 1 |
| DUXA CARL | 1 |
| DUXA KARL | 1 |
| DUZAGAT ZUGRAV | 15 |
| DYBISEWSZKY JAN | 1 |
| DYCK | 1 |
| DYCK ANTHONIS VAN | 2 |
| DYCK ANTON VAN | 5 |
| DYCK ANTOON VAN | 3 |
| DZIARCOVSKI T. | 1 |