Former Owner
- Nicolas Rauch1
- Nicolas Yemeniz1
- Nicolaus Pol1
- Nicolaus de Monte Murro1
- Nonnberg Abbey1
- Northwich Library1
- Octave Chavaillor1
- Oettingen-Wallerstein library1
- Oliver R. Barrett1
- Orlandus de Fatiis1
- Oswald Carl Friedrich von Seilern und Aspang1
- Owen D. Young1
- P. Pigeot1
- Pangracius Chrewczer1
- Paolino Gianfilippi1
- Paolo Gallo1
- Paolo Guerrini1
- Paolo Vimercati Sozzi1
- Parroco di Taviano, Luigi Bruno, active 20th century1
- Paul Durrieux1