Former Owner
- Pettini Libraria di Antonio Pettini1
- Philadelphia Rare Books & Manuscripts Company1
- Philip Augustus Hanrott1
- Philip C. Duschnes Rare Books & First Editions1
- Philip Carteret Webb1
- Philip Hofer1
- Philip III the Good1
- Philip Jacob Grangier1
- Philip Kerr, 11th Marquess of Lothian1
- Philip van Alfen1
- Philippe de Béthune1
- Piero Ginori Conti1
- Pierre Fraenkel1
- Pierre Picard le Jeune1
- Pierre Pithou1
- Pietro1
- Pietro Bembo1
- Pietro Canal1
- Pietro Civaleri1
- Pietro Giometti1