Former Owner
- Nicolas Antoine Labbey de Billy2
- Nicolas Rauch1
- Nicolas Yemeniz1
- Notre-Dame monastery (Ambert, France)1
- Nur al-Din Arslan Shah I1
- Oliver Henry Perkins9
- Oliver R. Barrett1
- Omaha Public Library1
- Otto Ege2
- Otto Vollbehr1
- Otto Walter Fuhrmann1
- Owen D. Young1
- P. Desq1
- P. Pigeot1
- Pandit Gobindpurshad1
- Parroco di Taviano, Luigi Bruno, active 20th century1
- Paul Gottschalk1
- Paul Gruel1
- Paul Louis Feiss1
- Paul Riant2