Former Owner
- St. Maximin's Abbey1
- Stiftsbibliothek Kremsmünster1
- Sébastien de Rosmadec, marquis de Molac1
- T. Triphook1
- Tammaro De Marinis1
- Taschen von I. Kossel. R.1
- That Guy with the Books1
- Theodor Cramer-Klett1
- Theodore Parker1
- Thomas Bernardinus Braccioli1
- Thomas Blayds1
- Thomas E. Marston1
- Thomas Edwards1
- Thomas F. Richardson1
- Thomas Fairfax, 3rd Lord Fairfax of Cameron1
- Thomas Gage1
- Thomas Martin1
- Thomas Moore1
- Thomas Rodd1
- Thomas Smith1