- Armorial bindings (Binding).--rbbin1
- Armorial bindings (Provenance) 1
- Armorial bookplates31
- Armorial bookplates (Provenance)1
- Articles of incorporation1
- Artifacts21
- Artists' books (books)--Italy--20th century2
- Astronomical charts2
- Authors' inscriptions1
- Autobiographies4
- Autobiographies (documents)--Mexico--19th century1
- Autobiographies (documents)--United States--19th century1
- Autograph albums2
- Autograph albums--United States--19th century.2
- Autographs90
- Bible1
- Bibles4
- Bifolia23
- Bills (Legislative records)1
- Bills of lading1