Former Owner
- 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 Milburn8
- Philip van Alfen1
- Philippe de Béthune1
- Phillip J. Pirages Fine Books & Manuscripts18
- Phoebe Hearst1
- Phyllis Walter Goodhart Gordan9
- Piero Ginori Conti1
- Pierre Fraenkel1
- Pierre Picard le Jeune1
- Pierre Pithou1
- Pieter Bondam1
- Pietro1
- Pietro Antonio Crevenna2
- Pietro Antonio Maffei1