Former Owner
- Taqī ibn ʻAlī al-Qummī1
- Theodore William John Wylie1
- Thomas Bateman1
- Thomas G. Bergin1
- Thomas Grenville1
- Thomas Syddell1
- Turner Macan1
- Ulrich Fugger1
- Veit Engelhard Holtzschuher1
- Veit Georg Holtzschuher1
- Vicente Riva Palacio1
- Victor A. Schwarz1
- Wilfrid Voynich1
- William Foyle1
- William Harrison Woodward1
- Wolfgang Täxer1
- Yitzhak Nahum Kuzi1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Yūsuf ibn Shaykh Muḥammad Jamālī1
- Zosa Szajkowski1