- A. Willis Robertson Papers, 1921/1988, bulk 1946/19661
- Abraham Davenport Ledger, 1804/18331
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Adams Papers, 1782/18901
- Alexander Balmaine Memorandum Book, 1775/18201
- Alexander Brown Papers (I), 1815/19102
- Ambler Papers, 1806/18361
- Andrew Lindamood papers, 1768/18171
- Andrew Reid Account Book, 1787/18371
- Andrew Reid record book photocopy, 1803/18281
- Archibald Stuart Ledgers, 1757/18521
- Archibald Stuart Papers, 1790/18161
- Archibald Woods Papers, 1777/1846, bulk 1783/184683
- Austin-Twyman Papers, 1765/193921
- Baird Family Papers, 1656/1922, bulk 1656/18481