Title
- On the Anger of God1
- On virtue1
- Operationes Ihesu Christi1
- Opuscula1
- Orationes1
- Orationes in Laurentium Vallam1
- Orations1
- Orator ad Brutum1
- Organon1
- Orthographia1
- Paradoxa Stoicorum1
- Passion of Jesus Christ1
- Passional1
- Pastoral text1
- Penitential Psalms1
- Per che non toglieva moglie1
- Periochae1
- Persian texts1
- Petition1
- Phormio1