Former Owner
- Nicolaus de Monte Murro1
- Nilorudra Prabhugupta1
- Nonnberg Abbey1
- Norman H. Strouse4
- Norman Winestine1
- Northwich Library1
- Norza, Leon1
- Notre-Dame de Macourt monastery1
- Notre-Dame monastery (Ambert, France)1
- Novalesa Abbey1
- Noël Pinelli1
- Nur al-Din Arslan Shah I1
- Nārāyaṇa Gālane1
- Nīlakaṇṭha Tanūja1
- Nūr al-Dīn Darvīsh2
- O. A. Bump1
- Ochsenhausen Abbey1
- Octave Chavaillor1
- Oettingen-Wallerstein library1
- Ohio State University Center for Epigraphical and Palaeographical Studies1