- American literature --African American authors1
- American literature--African American authors--Periodicals1
- Anabaptists --Early works to 18001
- Anarchism --Netherlands --Periodicals1
- Anti-Catholicism--Great Britain1
- Anti-war demonstrations1
- Anticlericalism--France1
- Antinomianism1
- Apostasy -- Early works to 18001
- Arapaho Indians--Wars1
- Architecture --Orders1
- Arminianism --Early works to 18001
- Army life--Pictorial works1
- Art, Black1
- Artists’ books --Denmark1
- Astrology1
- Astronomy --Early works to 18001
- Authors, English--Archives1
- Autobiographies1
- Baptists--Missions--Oklahoma1
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
- International Collections
- Law Library
- Lewis Walpole Library
- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
