Former Owner
- Bartholus Blancellus1
- Beatrice de Fouar1
- Bernardo Bembo1
- Bill Jackson1
- Breslauer and Meyer1
- Brick Row Book Shop1
- Bruce P. Ferrini1
- Carl Hermann Grabauer1
- Charles Stephen Ascherson1
- Charles William Dyson Perrins1
- Coluccio Salutati1
- Coppo family1
- Daniele Florio1
- Domenico Levera1
- Domenico Silvio Passionei1
- Edward E. Ayer1
- Ercole Silva1
- Erik von Scherling1
- Ezra Butler McCagg1
- Farley P. Katz1