Former Owner
- Thomas Thomson1
- Thomas de Grey, 2nd Earl de Grey1
- Timothy Cutler1
- Tommaso Compeggio1
- Tommaso de Luca1
- Ulrich Fugger1
- Vatican Library1
- Veit Engelhard Holtzschuher1
- Veit Georg Holtzschuher1
- Vicente Riva Palacio1
- Victor A. Schwarz1
- Vincenzo Maria Carafa, principe di Roccella1
- Volpi1
- W. Wollaston1
- Walter Arthur Copinger1
- Walter Ashburner1
- Walter Wehle Naumburg1
- Wilfred Merton1
- Wilfrid Voynich1
- William Appleton1