Former Owner
- Laurence William Hodson1
- Louis H. Silver1
- Léon Gruel1
- Mannheimer Hofbibliothek1
- Mary W. T. Dickinson1
- Matthew Simpson Parkhurst1
- Michaeliskonvent1
- Mikhail Golitsyn1
- Milton Fischmann1
- 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