Former Owner
- Monasterium sanctorum quadraginta martyrum (Treviso Italy)1
- Morris H. Morgan1
- Morris Jastrow, Jr.1
- Nicolai Briganti1
- Nicolas Antoine Labbey de Billy1
- Nicolaus de Monte Murro1
- Norman H. Strouse1
- Oettingen-Wallerstein library1
- Otto Jahn1
- Owen D. Young1
- Paolino Gianfilippi1
- Paolo Giovio1
- Paulus de Graecus1
- Peter Ludwig1
- Phillip J. Pirages Fine Books & Manuscripts1
- Pierleone Leoni1
- Pierre Pithou1
- Pietro Antonio Maffei1
- Pius VI1
- Prediger (Schwäbisch Gmünd)1