Title
- Somme le roi1
- Sophologium1
- Specchio di Croce1
- Speculum Christiani1
- Speculum anime1
- Speculum humanae salvationis1
- Speculum judiciale1
- Student notebook1
- Sufi texts1
- Summa de poenitentia et matrimonio1
- Summa summarum1
- Summa theologica1
- Supplicatio1
- Sutra1
- Sutra of Priestly Instruction1
- Syriac texts1
- Syriac-English dictionary1
- Sī faṣl1
- Sīrat ʻAntar1
- Taṣrīḥ fī sharḥ Tashrīḥ al-aflāk1