Former Owner
- Thomas Gibson-Carmichael, 1st Baron Carmichael1
- Thomas Grenville1
- Thomas Phillipps97
- Thomas Posthumous Hoby1
- Thomas Rodd1
- Thomas Sharpe Powell1
- Thomas Syddell1
- Thomas Taylor1
- Thomas Thorpe2
- Thomas Tresham II1
- Thomas Wall1
- Thomas Warde1
- Thomas Woodward1
- Tollemache family1
- Turner Macan1
- Typographic Library and Museum2
- Ulrich Fugger1
- Unger, Anne Louise Axon, -20141
- Vaijanāthabhaṭṭa Sāmaka1
- Veit Engelhard Holtzschuher1