Former Owner
- Mirmellus Arnandi1
- Nathaniel Sherman Bouton1
- Nicholas N. Martinovitch1
- Norman H. Strouse3
- Northwich Library1
- Novalesa Abbey1
- Oliver Henry Perkins1
- Otto Ege2
- Otto Orren Fisher1
- Paolo Giovio3
- Parish Church of Waldhausen im Strudengau1
- Pauline Fore Moffitt1
- Philip III the Good1
- Pietro Antonio Crevenna1
- Pietro Canal1
- Pietro Giometti1
- Pius XI1
- Prince Augustus Frederick, Duke of Sussex1
- R. J. Bunck1
- R. Tolentino1