- Catholic Church--Doctrines1
- Cecilia, Saint--Drama1
- Cherokee Nation1
- Church of England -- Customes and practices1
- Church of England -- Government1
- Church of Jesus Christ of Latter-day Saints--Controversial literature1
- Clap, Jenny--Ownership1
- Clap, Jonathan--Ownership1
- Claxton, Timothy--Presentation inscription to G. Birkbeck1
- Clymer, Joseph--Claims vs. United States1
- Coke, Jacynth d'Ewes Fitz-Ercald, 1879- 1
- Colonial Bishoprics Fund1
- Committee for Superintending the Application for Funds for the College for Colored Youth1
- Connecticut Woman Suffrage Association1
- Cripple Creek District Excursion Company1
- Cromwell, Oliver, 1599-16581
- Cummings, Hilliard & Company1
- Custer, George A. (George Armstrong), 1839-18761
- Daggett, David, 1764-1851.1
- Davis, Angela Y.--(Angela Yvonne),--1944-1
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
