Former Owner
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Louis II, Count of Flanders1
- Lucien Gougy1
- Ludwig Rosenthal1
- Marienstiftsgymnasium1
- Paul Riant1
- Peterborough Central Library1
- Richard Halter1
- Richard Heber1
- Robert Garrett1
- Santa Caterina1
- Tammaro De Marinis1
- Thomas Gibson-Carmichael, 1st Baron Carmichael1
- Thomas Thorpe1
- Thomas Woodward1
- Timothy Neve1
- Vincenzo Paolino Missinisi1
- Wilfrid Voynich1
- William Constable1
- William H. Schab1