Collection
- "Brother Rat" collection1
- 1st New York Mounted Rifles letter1
- A. Eliza Crane letter1
- A. Franklin Kibler papers1
- A. H. Hand Papers1
- A. K. Leake Papers1
- A. L. McLeod Papers1
- A. Willis Robertson Papers1
- Abner Johnson Leavenworth Papers1
- Abolitionist Movement Collection1
- Abraham Anson papers1
- Adams Papers1
- Addison Family Papers1
- Adee Family Papers1
- Admission Scholarship from Washington College to the sons of Mary Jackson Thornton1