Title
- Office of the Dead1
- Officii et magistrati1
- Omnes ad praeda venient1
- Ordo judicarius1
- Organon1
- Orthographia1
- Orthographical text1
- Oṃ gaṃ1
- Padārthakhaṇḍanavyākhyā tīkā1
- Paks̄adharmatā1
- Pakṣatāgrantha1
- Pakṣatārahasya1
- Pali and Cambodian manuscript1
- Pallīpatanaphala1
- Pallīsaraṭavicāra1
- Paludi pontine1
- Panchatantra1
- Panormia1
- Papal agreement1
- Papal diaries1