Former Owner
- Pangracius Chrewczer1
- Parish Church of St. John the Baptist1
- Percy Mordaunt Barnard2
- Philip of the Palatinate1
- Phillip J. Pirages Fine Books & Manuscripts3
- Prediger (Schwäbisch Gmünd)1
- Prince Augustus Frederick, Duke of Sussex1
- Ramsau Monastery1
- Raul A. Villagran1
- Richard Heber2
- Richard Linenthal1
- Riddagshausen Abbey1
- Robert Garrett3
- Robert Ranshaw1
- Rudolph Feilding, 8th Earl of Denbigh1
- Rudolphus Rasser Donatus1
- Rush Hawkins1
- Sam Fogg Rare Books & Manuscripts2
- Samuel H. Putnam1
- Sandra Meisel1