Former Owner
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Stephen Butler Rare Books & Manuscripts2
- Thomas F. Richardson2
- Ward Murphey Canaday2
- William Inglis Morse2
- William Maskell2
- William Taylor Scheide2
- A. Rosenthal Ltd.1
- Abbaye de Dommartin1
- Abbaye de Saint-Alyre1
- Abbot Raphael of Czerwinsk1
- Achille Genty1
- Adelbert Brownlow-Cust, 3rd Earl Brownlow1
- Adelrich Benziger1
- Adolphe Lefrancq1
- Adolphe Morlot1
- Adrian Van Sinderen1
- Adrianus David Schinkel1
- Adán Inquaci1