Title
- Treatise on logic3
- Treatise on mnemonics and memory1
- Treatise on poverty1
- Treatise on the Decalogue1
- Treatise on the authority of vicars1
- Treatise on the candelabrum1
- Treatise on the construction of an astrolabe1
- Treatise on the seven deadly sins1
- Treatise on words1
- Treatises2
- Treatises on astronomical instruments1
- Tristia2
- Trotula1
- Trumpet or [organ?] tablature, music notation principally to accompany sacred texts1
- Tusculanae disputationes4
- Two bifolia from a ca. 15th-century ferial psalter : in Latin].1
- Two leaves from the Communiloquium : in Latin].1
- Uffizio della mercanzia of Florence1
- Unidentified1
- Unigenitus Dei Filius1