Former Owner
- Paul Joseph Sachs1
- Paul Riant20
- Paul Sabatier2
- Paulus de Graecus1
- Payne and Foss1
- Payre-Grolée-Virville family1
- Pedro García de Montoya1
- Penzance Library1
- Percy Mordaunt Barnard3
- Peter Arrell Brown Widener2
- Peter Arrell Brown Widener II1
- Peter Christos1
- Peter Eaton1
- Peter Le Neve2
- Peter Ludwig2
- Petrus Giraud1
- Petrus Hofman Peerlkamp1
- Petrus Hofstede1
- Petrus Jensenius1
- Petrus Joseph Puccius1