Former Owner
- Acton Griscom1
- Adam Clarke1
- Adam de Campigny1
- Admont Abbey1
- Adolphe Morlot1
- Adrianus David Schinkel1
- Alan G. Thomas1
- Alexander Peckover, 1st Baron Peckover1
- Alison Johnstone1
- Alphonse Labitte1
- Anchin Abbey1
- Andrea della Valle1
- Anne de Graville1
- Anne of Brittany1
- Anthony Askew1
- Antiquarian Books of Boston1
- Antoine Duprat1
- Arthur Brölemann1
- Arthur M. Ellis1
- Arthur Thomas Bannister1