Former Owner
- Wilfrid Voynich2
- William Bragge2
- A. S. W. Rosenbach1
- Abbot von Heselwang1
- Alexander Bannatyne Stewart1
- Ambroise Firmin Didot1
- Andrew Fountaine1
- Andrés Ordoñez1
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1
- Anna Vremans1
- Anne of Brittany1
- Antoine Lagnier1
- Antonio Marino de Caboga1
- Arno M. Voynich1
- Artemesia Piccolomini1
- Arthur Griffith1
- Barbara Hackenmayrin1
- Bartholdus and Johann Flachmann1
- Benignus of Dijon1
- Bernardus de Pedio1