Former Owner
- Taqī ibn ʻAlī al-Qummī1
- Thomas F. Richardson1
- Thomas H. Moynan1
- Thomas Mostyn1
- Thomas Phillipps136
- Thomas Richardson1
- Thomas Thorpe1
- Thomas de Grey, 2nd Earl de Grey1
- Timothy Cutler1
- Tommaso Compeggio1
- Tracy Palmer1
- Victor Christ2
- Walter Ashburner1
- Walter Sneyd11
- Walter Wren1
- Wilfrid Voynich2
- William Appleton1
- William Betham1
- William Bragge1
- William Cecil, 1st Baron Burghley1