| Author | Titles | | 1.
| Ulster Museum (Belfast, Irlanda) | 2 | | 2.
| The Ulster Museum ( Ulster, Irlanda ) | 1 | | 3.
| Ultralab (Grupo de artistas) | 1 | | 4.
| Ulubabian, Bagrat | 1 | | 5.
| Uluç, Lâle | 1 | | 6.
| Uluhogian, Gabriella | 3 | | 7.
| Uluots, Erik | 1 | | 8.
| Ulysses, Jenkins, 1946- | 1 | | 9.
| Ulzen, Patricia van | 1 | | 10.
| Ulzurrun, Curro, 1959- | 2 |
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