- Arapaho Indians1
- Armed Forces Medical Library (U.S.)2
- Armoral1
- Armorial364
- Armorial bookplates329
- Armorial bookplates,45
- Armorial bookplates, First state.4
- Armorial bookplates.9
- Armorial bookplates..3
- Armorial.1
- Armorials1
- Arrow7
- Arrows1
- Art, Black1
- Atlases, Dutch --Early works to 18001
- Atlases, German --Early works to 18001
- Axes1
- Bacteria2
- Beavers2
- Belts3
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
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- Law Library
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- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
