Former Owner
- Peter Ludwig1
- Petrus Giraud1
- Philip Kerr, 11th Marquess of Lothian1
- Pius XI1
- Prince Augustus Frederick, Duke of Sussex1
- Reading Abbey1
- Ricardo Enrico de Wilde1
- Robert Hoe III1
- Robert Samuel Turner1
- Robert de Mol1
- Rosamond B. Loring1
- Sabina Sopheija Behren1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Eliot1
- Sarah Dauphinais1
- Sir William Henry Ingilby, 4th Bt.1
- St John Hornby1
- St. Mary's College1
- Staatliche Museen zu Berlin1
- Stephan Rosinus1