Title
- Sphaera mundi1
- Spirto gentil magnanimo et sublime1
- Splendor paternae gloriae1
- Sportula fragmentorum1
- Statements from the Council of Basel1
- Stations of Rome1
- Sticherarion1
- Stories of saints1
- Stratēgikos1
- Streeter-Piccard Hours1
- Sufi metaphysics1
- Summa1
- Summa chiromantia1
- Summa confessionis1
- Summa confessorum1
- Summa contra gentiles1
- Summa de matrimonio1
- Summa de poenitentia et matrimonio1
- Summa metrica1
- Summa penitentiae1