Title
- Orations1
- Ordinal1
- Ordinances1
- Ordinatio totius officii divini1
- Ordo judicarius1
- Organon1
- Orthographia1
- Ouidius de remediis amoris1
- Panegyric1
- Pantheon1
- Papal agreement1
- Papal diaries1
- Papal letter1
- Partial Chronicon pontificum et imperatorum with continuations and list of bishoprics1
- Partial copy of Chronicon1
- Paschale carmen1
- Passio sancti Blasii1
- Pastoral text1
- Periermenias1
- Persian texts1