Former Owner
- Alison Johnstone1
- Allen Rowland1
- Amelia Daubeney1
- Anchin Abbey1
- Andrew Fountaine1
- Andrew Gifford1
- Anna Maria Louisa Peachey1
- Anne Claude Philippe, Comte de Caylus1
- Anne Jesson1
- Anne of Brittany1
- Antiquarian Books of Boston1
- Antoine Joseph Rérolle1
- Antoine Lagnier1
- Antoine de Court1
- Antonio Cánovas del Castillo1
- Arnold Jansen op de Haar1
- Arthur Brölemann1
- Arthur Haddaway1
- Athelstan Riley1
- Aulne Abbey1