Former Owner
- Andrea S.1
- Andrea Tessier1
- André Rooryck1
- Anne of Brittany1
- Antiquariat Emil Hirsch1
- Antonio Lauro1
- Antonio Marino de Caboga1
- Antonio Pallavicini Gentili1
- Antonio Ubaldini1
- Antonio de Bonius1
- Appiano family1
- Archer Milton Huntington1
- Arno M. Voynich1
- Art ancien S.A.1
- Artemesia Piccolomini1
- Augustinus de Cagnolis1
- Avraham Yedidiah Levi1
- Baldasarre Boncompagni1
- Baldassarre Boncompagni1
- Baron Llangattock1