Former Owner
- Neuwerk Nunnery1
- Newman F. McGirr1
- Niccolò Albergati1
- Niccolò Perotti1
- Nicholai von Bodeck1
- Nicholas Chevalier1
- Nicholas Herry1
- Nicolai Briganti1
- Nicolas Fowle1
- Nicolas Rauch1
- Nicolas Yemeniz1
- Nicolaus de Monte Murro1
- Nonnberg Abbey1
- Northwich Library1
- Notre-Dame de Macourt monastery1
- Notre-Dame monastery (Ambert, France)1
- Novalesa Abbey1
- O. A. Bump1
- Oettingen-Wallerstein library1
- Ohio State University Center for Epigraphical and Palaeographical Studies1