| Author | Titles | | 1.
| Ugalde, Juan, 1958- | 3 | | 2.
| Ugarte de Zubiarrain, Ricardo, 1942- | 1 | | 3.
| Ugarte, Manuel | 1 | | 4.
| Ugedio, Frei | 1 | | 5.
| Ugelstad, Trude Gomnaes | 1 | | 6.
| Ugelvig, Jeppe, 1993- | 5 | | 7.
| Uggla, Marianne | 1 | | 8.
| Ugliano, Anna | 1 | | 9.
| Uglione, Renato | 1 | | 10.
| Uglow, Alan, 1941-2011 | 1 |
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