- Urban VII, Pope, 1521-15901
- Urban geography1
- Urine--Analysis2
- Urjūzah al-Raḥbīyah (Ibn al-Mutafanninah, Muḥammad ibn ʻAlī)3
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār6
- Ustarūshanī, Muḥammad ibn Maḥmūd, -1234 or 1235. Fuṣūl1
- Uzbekistan--Bukhoro1
- Uzbekistan--Samarqand1
- Valdivia, Pedro de, 1500?-1554?1
- Vallombrosans1
- Vedas. Yajurveda1
- Velasco family1
- Vellum bindings26
- Vellum wrappers1
- Velvet bindings3
- Venetian Ducal Letters6
- Veneto Notarial Documents265
- Venice (Republic : To 1797). Consiglio dei Dieci2
- Venice (Republic : To 1797). Esercito1
- Verdugo, Pedro1