- Andrew Jackson Davis Collection1
- Andrew Jackson Davis Collection, 1840/20118
- Andrew Kean Leake Account Book, 1869/18862
- Andrew Monroe Cridler Papers, 1871-1913, n.d.1
- Andrew Nelson Campbell (d.1919) Papers, 1861/19121
- Andrew Nelson Campbell Papers, 1854/19281
- Andrew Nelson Campbell, Civil War Veteran and Monroe County Politician, Papers, 1856/19321
- Andrew S. Core, Typescripts and Charts, 1804/18881
- Anita Cutright Burnett, Collector, Papers, 1790/19351
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20002
- Ann M. Lawton Midwifery Record Book, 1876/18872
- Ann Smith Academy Papers, 1807/19101
- Anna Burton Ellett Collection, 1751/19321
- Anna E. Dickinson autographed letter, 18811
- Anna Jarvis (1864-1948) Papers, 1858/19431