- A. Willis Robertson Papers, 1921/1988, bulk 1946/19661
- Abraham Davenport Ledger, 1804/18332
- Abraham Hewes Journals, 1795/18053
- Adams Papers, 1782/18902
- Adolphus Weir Account Book, 1790/18062
- Alexander Balmaine Memorandum Book, 1775/18202
- Alexander Brown Papers (II), 1748/19001
- Andrew Lindamood papers, 1768/18172
- Andrew Reid Account Book, 1787/18372
- Andrew Reid record book photocopy, 1803/18282
- Appomattox Manor Music Collection, 1800/1940, bulk 1850/19101
- Archibald Stuart Ledgers, 1757/18522
- Archibald Stuart Papers, 1790/18162
- Archibald Woods Papers, 1777/1846, bulk 1783/184628
- Arithmetic Notebook, I, 1780/18201