Former Owner
- Tammaro De Marinis1
- Thomas Bernardinus Braccioli1
- Thomas G. Bergin1
- Thomas Posthumous Hoby1
- Thomas Syddell1
- Ulrich Fugger1
- Veit Engelhard Holtzschuher1
- Veit Georg Holtzschuher1
- Vicente Riva Palacio1
- Victor A. Schwarz1
- Walter Arthur Copinger1
- Wilfrid Voynich1
- William Foyle1
- William Harrison Woodward1
- Wolfgang Täxer1
- Yitzhak Nahum Kuzi1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Zuccaro, Nello, active 20th century1
- al-Ḥājj ʻAbd al-Qādir ibn al-Sayyid ʻAbd Allāh al-Asṭawānī1
- ʻAbd Allāh al-Asṭawānī1