Former Owner
- Timothy Cutler1
- Timothy Manlove1
- Timothy Neve1
- Tobin Anderson1
- Tollemache family1
- Tomlinson, Robert1
- Tommaso Compeggio1
- Tommaso de Luca1
- Tongerlo Abbey1
- Tours Cathedral1
- Tracy Palmer1
- Trinity College, Bristol1
- Turner Macan1
- Typographic Library and Museum2
- Ulrich Fugger1
- Ulrico Hoepli1
- United States Naval Academy1
- University of Chicago Library1
- Vaijanāthabhaṭṭa Sāmaka1
- Van Dalem1