Former Owner
- Philippe II de Croÿ1
- Pierre Fraenkel1
- Pierre Gorman1
- Pierre Tassel1
- Pietro Civaleri1
- Pietro Millini1
- Pius XI1
- Poblet Monastery1
- Prince Augustus Frederick, Duke of Sussex1
- Raymond Oliver1
- Richard Halter1
- Richard Rich1
- Robert Neville1
- Robert de Mol1
- S. Ereilter1
- Samuell Bouter1
- San Pietro Apostolo1
- Santi Giovanni e Paolo1
- Schøyen Collection1
- Silvester Cattaneus1