- Clarence Edwin Smith (1885-1959) Papers, 1787/19572
- Thomas Ray Dille Papers, 1774/19392
- A.C.L. Gatewood Papers, 1801/19191
- A.J. Morrison Collection, 1754/19751
- Aaron Harmon Collection (MS249), 1815/18361
- Abner Johnson Leavenworth Papers, 1825/18611
- Abraham Davenport Ledger, 1804/18331
- Abraham Grove Account Book, 1815/18501
- Account Book, Richmond, Virginia, 1824/18361
- Account Books, 1782/18951
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Adam Rinica and George Rinica Account Book, 1822/18481
- Adams Papers, 1782/18901
- Addie Rogers Bound Sheet Music Collection, 1827/18601
- Administration records collection, 1776/19761