Title
- Roman de la rose1
- Royal document1
- Ruralia commoda1
- Sacramental text1
- Sacramentary1
- Saint Patrick's Purgatory1
- Scale of perfection1
- Scholia1
- Sentences1
- Sententia ex Augustino delibitae1
- Sermones de tempore1
- Seven sages of Rome1
- Shavāhid al-nubūvat li-taqvīyat yaqīn ahl al-futūvat1
- Sins1
- Somnium viridarii1
- Speculum doctrinale1
- Statute1
- Sticherarion1
- Stratēgikos1
- Summa theologiae1