Author
- Todros ben Joseph Abulafia1
- Uffizio della mercanzia of Florence1
- Università de' mercanti (Siena)1
- Usuard1
- Uthman bin Ali Zayla'i1
- Vincent of Beauvais1
- Virgil1
- Walter Burley1
- William Babington1
- William Bonyngton1
- William de Montibus1
- Wāḥidī Nīsābūrī1
- Yahya ibn Imad bin Yahya al-Munajjim al-Kashi1
- Yazıcı Salahuddin1
- Yaʻqūb ibn ʻAlī Burūsawī1
- Yaḥyá ibn Abī Bakr al-Ḥanafī1
- Yaḥyá ibn Mūsá Rahūnī1
- Yūsuf ibn Abī Bakr Sakkākī1
- Yūsuf ibn Aḥmad Sijistānī1
- al-Jaʻbarī1