Former Owner
- Alexander Smith Cochran2
- Alfred Higgins2
- Alfred Morrison2
- Alice Millard2
- American Type Founders Company. Typographic Library and Museum2
- Anderson Galleries2
- Andrew Gifford2
- André de Coppet2
- Antoine-Augustin Renouard2
- Arenburg2
- Arthur Vershbow2
- Ball Collection2
- Baptist Union Theological Seminary2
- Bateman family2
- Benedetto Affaticati2
- Bernard Quaritch2
- Bernardo Bembo2
- Bertram Dobell2
- Binyamin ben Salem Elark2
- Boies Penrose II2