Former Owner
- Andrew Gifford1
- André Le Mercier1
- André Rooryck1
- Andrés Ordoñez1
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1
- Angelo Fasolo1
- Angelo Nicolini1
- Angèle Louise Maggi Spaulding1
- Ann Moneylon1
- Anna Cavanaugh Tobin Anderson1
- Anna Maria Louisa Peachey1
- Anna Vremans1
- Anne Churchill, Countess of Sunderland1
- Anne Jesson1
- Anne de Graville1
- Annie L. Wiggins1
- Anthony Bustard1
- Antiquarian Books of Boston1
- Antiquariat Emil Hirsch1
- Antoine Duprat1