| Author | Titles | | 1.
| Urbanová, Norma | 1 | | 2.
| Urbanowicz, Rachel | 1 | | 3.
| Urban-Think Tank (Firma de Arquitectura) | 1 | | 4.
| Urbelis, Tautvydas | 1 | | 5.
| Urbina | 1 | | 6.
| Urbina, Fernando | 1 | | 7.
| Urbina, José Antonio | 1 | | 8.
| Urbinas, Rafael, 1483-1520 | 0 | | 9.
| Author is: Rafael, 1483-1520 | 20 | | 10.
| Urbinas, Raphael, 1483-1520 | 0 | | 11.
| Author is: Rafael, 1483-1520 | 20 | | 12.
| Urbino, Rafael de, 1483-1520 | 0 | | 13.
| Author is: Rafael, 1483-1520 | 20 |
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