Collection
- A.B. Sharp, Compiler, Barr Family Genealogy1
- A.J. Morrison Collection1
- Abbye A. Gorin Architectural Collection2
- Abraham Anson papers64
- Abraham Lincoln Collection1
- Academic Departments - Record Group 91
- Ackerly Family Papers10
- Ada Haldeman Ford, Suffragist, Papers1
- Adagio Press Collection4
- Adalbert J. Volck Collection of Etchings4
- Adam Empie Papers3
- Addison H. Smith papers2
- Additional Henry Hughes Presler Papers ca. 1909-19653
- Additional Louis J. Halle, Jr. Papers 1938-198715
- Adele Blow Chatfield-Taylor family papers23