Former Owner
- Naftali Tsvi ben Faibel Shliṭas1
- Nasir al-Din al-Tusi1
- Naʻīm1
- Nicholai von Bodeck1
- Nicholas Bacon1
- Nicolas Antoine Labbey de Billy1
- Nicolas Fowle1
- Nicolas Moreau1
- Nicolaus Pol1
- Nicolaus de Monte Murro1
- Norman Winestine1
- Noël Pinelli1
- Nur al-Din Arslan Shah I1
- Oliver R. Barrett1
- Omaha Public Library1
- Orlandus de Fatiis1
- Otto Vollbehr1
- Otto Walter Fuhrmann1
- Owen D. Young1
- P. Desq1