Title
- Specchio di Croce1
- Speculum Christiani1
- Speculum anime1
- Speculum doctrinale1
- Speculum humanae salvationis1
- Speculum judiciale1
- Speeches2
- Statute13
- Student notebook1
- Subḥat al-abrār1
- Sufi texts2
- Summa confessorum1
- Summa de casibus conscientiae1
- Summa de poenitentia et matrimonio1
- Summa summarum1
- Summa theologica1
- Supplicatio1
- Sutra1
- Sutra of Priestly Instruction1
- Syriac texts1