Former Owner
- Robert Hoe III2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Thomas Rodd2
- William Bragge2
- William Morris2
- Abbaye de Saint-Alyre1
- Abbaye de Saint-Martin de Tournai1
- Acton Griscom1
- Adam de Campigny1
- Admont Abbey Library1
- Alan G. Thomas1
- Alberto Govi1
- Alphonse Labitte1
- Anchin Abbey1
- Andrea Tessier1
- Antoine Duprat1
- Antonio Medin1
- Arthur M. Ellis1
- Baldassarre Boncompagni1