Former Owner
- Nicolas Antoine Labbey de Billy1
- Nicolaus de Monte Murro1
- Norman H. Strouse1
- Oettingen-Wallerstein library1
- Otto Ege1
- Owen D. Young1
- Paolino Gianfilippi1
- Pauline Fore Moffitt1
- Paulus de Graecus1
- Peter Ludwig1
- Piero Ginori Conti1
- Pierre Pithou1
- Pietro Antonio Maffei1
- Pius VI1
- Prediger (Schwäbisch Gmünd)1
- Prince Augustus Frederick, Duke of Sussex1
- Prospero Caffarelli1
- Ramsau Monastery1
- Robert Garrett1
- Robert Rossiter Hutton1