- Université de Paris. Collège de Boncourt1
- Unmūdhaj fī al-naḥw (Zamakhsharī, Maḥmūd ibn ʻUmar)6
- Upanishads1
- Upanishads. Aitareyopaniṣad1
- Upanishads. Br̥hadāraṇyakopaniṣad1
- Upanishads. Muṇḍakopaniṣad2
- Upanishads. Taittirīyopaniṣad3
- Upanishads. Īśopaniṣad1
- Urdu language--Grammar1
- Urdu poetry1
- Urjūzah al-Raḥbīyah (Ibn al-Mutafanninah, Muḥammad ibn ʻAlī)3
- Urjūzah fī al-ṭibb (Avicenna)1
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-12831
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār6
- Ustarūshanī, Muḥammad ibn Maḥmūd, -1234 or 1235. Fuṣūl2
- Usury1
- Utopias1
- Uzbakī, Muḥammad Murād, -1729. Silsilat al-dhahab1
- Uzbekistan--Bukhoro1
- Uzbekistan--Samarqand5