Title
- Rule of Saint Augustine1
- Ruralia commoda1
- Satires1
- Scale of perfection1
- Scientific texts1
- Scritture de signori Medici1
- Scritture dell'Arrigucci1
- Selections1
- Sentences1
- Sententia declaratoria contra Elisabeth1
- Sermones de tempore1
- Sermones de tempore et de sanctis1
- Sermons against the Turks1
- Simbola Romanorum imperatorum1
- Societas sanctae annae1
- Soliloquies1
- Speculum doctrinale1
- Summa1
- Summa artis notariae1
- Summa de casibus conscientiae1