Former Owner
- Anne Jesson1
- Anne of Brittany1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Antiquarian Books of Boston1
- Antoine Joseph Rérolle1
- Antoine Lagnier1
- Antonio Cánovas del Castillo1
- Arnold Jansen op de Haar1
- Arthur Brölemann1
- Arthur Haddaway1
- Athelstan Riley1
- Aulne Abbey1
- B. Goussil1
- B.L. Riese1
- Bayeux Cathedral1
- Beinecke Rare Book & Manuscript Library1
- Benignus of Dijon1
- Bergendal Collection1
- Bernardus de Pedio1
- Bertram Ashburnham, 5th Earl of Ashburnham1