Collection
- A. J. Davis Family Collection7
- Adam Finch Collection2
- Adam T. Finch Papers2
- Adin B. Underwood Papers,2
- Alexander Farish Robertson Papers16
- Alexander McNutt Glasgow Family Papers7
- Alleghany Chapter, National Society of the Daughters of the American Revolution Records,5
- Ann A. Hertzler Collection2
- Anna Burton Ellett Collection1
- Anne Price Yates Papers II3
- Annie M. Hale Sheet Music Collection1
- Antoine Gaujot and Julien E. Gaujot Papers2
- Archer Lawrie Sheet Music Collection1
- Architectural League of New York: Archive of Women in Architecture Records2
- Arthur M. Squires Papers8