Former Owner
- Taschen von I. Kossel. R.1
- That Guy with the Books1
- Theodore Newton Vail1
- Theodore Williams1
- Thomas Bateman3
- Thomas Corser1
- Thomas F. Richardson7
- Thomas Gage1
- Thomas Johnes2
- Thomas Oliver Anderdon1
- Thomas Pearson1
- Thomas Phillipps17
- Thomas Richardson1
- Thomas Shadford Walker1
- Thomas Windus1
- Thomas de Grey, 2nd Earl de Grey2
- Tomlinson, Robert1
- Turner Macan1
- Van Dalem1
- Victor Mordechai Goldschmidt1