Author
- Uthman bin Ali Zayla'i1
- Walter Burley1
- Walter Hilton1
- Werner Rolevinck1
- William Langland1
- William Perault1
- William de Montibus1
- William of Montlauzun1
- William of Nangis1
- William of Paris1
- Xenophon1
- Yahya ibn Imad bin Yahya al-Munajjim al-Kashi1
- Yazıcı Salahuddin1
- Yaʻqūb ibn ʻAlī Burūsawī1
- Yaḥyá ibn Abī Bakr al-Ḥanafī1
- Yūsuf Ibn-al-Ḥasan Ibn-al-Mibrad1
- Yūsuf ibn Aḥmad Sijistānī1
- Yūsuf ibn Maḥmūd Ẓahrānī1
- Zechariah ben Solomon-Rofe1
- Zedekiah ben Abraham Anaw1