Former Owner
- Pius XI1
- Poblet Monastery1
- Prince Augustus Frederick, Duke of Sussex1
- RR Donnelley1
- Richard Heber1
- Rinaldo Ridolfini1
- Robert Neville1
- Robert Ranshaw1
- Robert de Mol1
- Rowland Hazard1
- S. Ereilter1
- Sam Fogg Rare Books & Manuscripts1
- San Pietro Apostolo1
- Santi Giovanni e Paolo1
- Schøyen Collection1
- Silvester Cattaneus1
- Sion Segre Amar1
- Sir John Chetwode, 4th Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Stella, Giovanni Pietro, 16th century1