Former Owner
- Arnold Mettler1
- Artemesia Piccolomini1
- Arthur Brölemann1
- Athelstan Riley1
- Augustus Pugin1
- Barbara Hackenmayrin1
- Bartholdus and Johann Flachmann1
- Bartholus Blancellus1
- Bernard Quaritch Ltd1
- Betty Freudenheim1
- Brayton C. Ives1
- Brunori Cadamosto1
- Carlo Francesco Frasconi1
- Caxton Club1
- Charles Porterfield Krauth1
- Charles Sessler1
- Charles Étienne Brasseur de Bourbourg1
- Christian Gottlieb Schwarz1
- Christophorus de Stinglhaim1
- Clarence Howard Clark, Sr.1