Former Owner
- Paolo Gallo1
- Paolo Giovio3
- Paolo Vimercati Sozzi1
- ParvaṇIkara Govindabhaṭṭaputra1
- Pascal Gay1
- Paul Gottschalk1
- Paul Riant13
- Paul Sabatier2
- Paul de Berthou1
- Pauline Fore Moffitt1
- Paulus de Graecus1
- Pedro García de Montoya1
- Peretz ben Yehuda Mintz Ashkenazi1
- Peter Le Neve2
- Peter Ludwig3
- Peterborough Central Library1
- Petrus Giraud1
- Petrus Joseph Puccius1
- Petrus Molitor1
- Petrus de Thureyo1