Title
- Saturnalia1
- Scientific texts1
- Sibylline oracles1
- Song of Solomon1
- Sphaera mundi1
- Splendor solis1
- Stella di salute1
- Summa de casibus poenitentia1
- Summa de virtutibus1
- Summa dictaminis1
- Summa theologiae1
- Summa vitiorum1
- Text on logic1
- Text on the Virgin Mary1
- Tractatus de causis1
- Tractatus de censuris ecclesiasticis1
- Tractatus moralis de virtutibus1
- Treatise on marriage1
- Treatise on poverty1
- Treatise on the Decalogue1