Title
- Omnes ad praeda venient1
- Omnium gentium mores, leges, et ritus1
- On Questions in Aristotle’s Nicomachean Ethics1
- On accounting and commissions1
- On astronomy, geometry, and arithmetic1
- On charms and talismans1
- On generation and corruption1
- On mnemonics and memory1
- On the Anger of God1
- Opusculum de formandis epistolis1
- Ordinances1
- Organon1
- Orthographia1
- Ottoman Turkish expansion on qaṣīdat al-Burdah1
- Ottoman letters1
- Ottoman texts1
- Ouidius de remediis amoris1
- Padārthakhaṇḍanavyākhyā tīkā1
- Pakṣatārahasya1
- Paludi pontine1