Author
- William Perault1
- William de Montibus1
- William of Auvergne1
- William of Montlauzun1
- William of Paris1
- William of Saliceto1
- Wāḥidī Nīsābūrī1
- Xenophon1
- Yazıcı Salahuddin1
- Yaʻqūb ibn ʻAlī Burūsawī1
- Yaḥyá ibn Mūsá Rahūnī1
- Yusuf ibn Ismail al-Kutubi1
- Yūsuf Ibn-al-Ḥasan Ibn-al-Mibrad1
- Yūsuf ibn Abī Bakr Sakkākī1
- Zechariah ben Solomon-Rofe1
- Zedekiah ben Abraham Anaw1
- al-Biqāʻī1
- al-Jaʻbarī1
- al-Kākī1
- al-Qāsim ibn ʻAbd Allāh Ibn Quṭlūbughā1