| Termen/ Term | Nr. apariții/ No. occurrences |
| UNGARIA | 39 |
| UNGER WILLIAM | 21 |
| UNGERER IACOB | 1 |
| UNGRO - VLAHIEI | 2 |
| UNGUREANU RODICA | 2 |
| UNIPAN HELGA | 2 |
| UNIUNEA REPUBLICILOR | 1 |
| UNLOGIO F. | 1 |
| UNTCH IOAN | 23 |
| UNTCH ION | 9 |
| UNTERBERGER FRANZ RICHARD | 1 |
| UNVERDORBEN | 2 |
| UPITIS PETERIS | 1 |
| UPJOHN A. M. | 1 |
| UPRKA JOZA | 1 |
| URBAN HERMANN | 1 |
| URBAN N | 1 |
| URBANSKI DE NIECZNJA F. | 1 |
| URBANSKI E DE NIECZUJA | 2 |
| URBANSKI E. | 1 |
| URBINO | 2 |
| URDAREANU HERTA ELENA | 5 |
| URDAREANU LELIA | 1 |
| URDAREANU-HERTA ELENA | 1 |
| URIKO E | 1 |
| URLAKY | 2 |
| URMOSY | 2 |
| URSI | 19 |
| URSU GHEORGHE | 1 |
| URSU GRIGORE | 4 |
| URSUL ZUGRAV | 81 |
| URSZINYI MARIA | 1 |
| URY LESSER | 1 |
| URZICA D | 1 |
| UTA CHELARU ELENA | 4 |
| UTA ELENA | 1 |
| UTAG AWA HIROSHIGE | 1 |
| UTAGAVA KUNISADA (TOYOKUNI-3) | 2 |
| UTAGAWA | 5 |
| UTAGAWA (ANDO) HIROSHIGE | 31 |
| UTAGAWA (GOTOTEI) KUNISADA | 5 |
| UTAGAWA (ICHIJUSAI) KUNIMASA | 2 |
| UTAGAWA (ICHIYUSAI) KUNIYOSHI | 3 |
| UTAGAWA (ICHIYUSAI)KUNIYOSHI | 1 |
| UTAGAWA (ISSHUNSAI) YOSHIKAZU | 1 |
| UTAGAWA (KOC HORO) TOYOKUNI II | 1 |
| UTAGAWA (KOCHORO) (TOYOKUNI | 1 |
| UTAGAWA (KOCHORO) KUNISADA | 1 |
| UTAGAWA (KOCHORO) KUNISAWA | 1 |
| UTAGAWA GO-K I-TEI SADATORA | 1 |