Former Owner
- Andrea della Valle1
- Andreas Weiss1
- Arthur Annesley, 1st Earl of Anglesey1
- Arthur Brölemann1
- Ashton Lever1
- Baldassarre Boncompagni1
- Battle Abbey1
- Benjamin Franklin Stevens1
- Bern Dibner1
- Bernard Serrigny1
- Bernardo Bembo1
- Bertram Dobell1
- Betty Freudenheim1
- Bibliotheca Philosophica Hermetica1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Caxton Club1
- Charles Stuart, 1st Baron Stuart de Rothesay1
- Charles Thomas-Stanford1
- Clarence S. Bement1
- Dawson Turner1