Former Owner
- Monasterio de El Paular1
- Nathan Comfort Starr1
- Nicholas Chevalier1
- Ochsenhausen Abbey1
- Oliver Henry Perkins1
- Otto Ege1
- Otto Orren Fisher1
- Parish Church of Waldhausen im Strudengau1
- Paul Gruel1
- Peter Arrell Brown Widener II1
- Philip III the Good1
- Prince Augustus Frederick, Duke of Sussex1
- Richard Hooker1
- Robert Garrett1
- Robert Hoe III1
- Robert Stayner Holford1
- Rudolph Frederick Kelker1
- S. S. Conant1
- Samuel Wix1
- Sir George Holford1