Title
- Mishneh Torah1
- Monocordium1
- Moral poetry1
- Moretum1
- Notanda ex canonibus1
- Novae theoricae planetarum1
- Office1
- Office of the Dead1
- Omnes ad praeda venient1
- Omnis mortalium cura1
- Omnium gentium mores, leges, et ritus1
- On the Anger of God1
- Opuscula1
- Or ha-sekhel and Sefer ha-Shem1
- Orationes1
- Oreste e Pylade1
- Organon1
- Orthographia1
- Paludi pontine1
- Panegyric1