- A.G. Gaston Motel (Birmingham, Ala.)--Pictorial works.1
- A.J. Nystrom and Company1
- A.R. Dorrington and Co1
- A?dil Sha?h, Ibra?hi?m1
- ACT UP New York (Organization) 4
- AFL-CIO1
- ASNOVA (Architecture group)1
- Aa, Pieter van der, 1659-17331
- Aa, Pieter van der, 1659-1733. Nouvel Atlas1
- Abate, Nicolò dell', ca. 1509-1571.1
- Abbaye de Boulbonne.1
- Abbaye de Cîteaux.1
- Abbaye de Saint-Denis (Saint-Denis, France)1
- Abbey of Saint Andrew of Gouffern.1
- Abbot Academy11
- Abbot, Charles, Baron Colchester, 1757-18293
- Abbot, Charles,--Baron Colchester,--1757-1829--Bookplate6
- Abbott, Henry L1
- Abdülhamid I, Sultan of the Turks, 1725-17894
- Abdülhamid I, Sultan of the Turks, 1725-1789.1
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
