Title
- Sidonius Apollinaris to Agricola1
- Siege of a castle1
- Silk purse with manuscript waste1
- Sins1
- Somnium viridarii1
- Sonectorum et cantilenarum liber; Triumphorum liber ... [etc.1
- Sophologium1
- Specchio di Croce1
- Speculum Beatae Mariae Virginis1
- Speculum Christiani1
- Speculum anime1
- Speculum monachorum1
- Sphaera mundi1
- Spirto gentil magnanimo et sublime1
- Splendor paternae gloriae1
- Splendor solis1
- St. Albans Bible1
- Stations of Rome1
- Statuta Angliae1
- Statuta Veneta1