- 17th and 18th century British periodicals, 1600/18002
- Alexander Balmaine Memorandum Book, 1775/18202
- Alexander Brown Papers (II), 1748/19001
- Andrew Lindamood papers, 1768/18172
- Archibald Stuart Ledgers, 1757/18521
- Archibald Woods Papers, 1777/1846, bulk 1783/18461
- Arithmetic Notebook, I, 1780/18201
- Armistead Papers, 1736/18971
- Armistead-Cocke Papers, 1680/19177
- Austin-Twyman Papers, 1765/193915
- Baird Family Papers, 1656/1922, bulk 1656/18481
- Bakers' Guild Bylaws and Register (Harburg, Germany), 1668/18091
- Baron de Watergeul Boom Letter, 17812
- Barraud Family Papers, 1799/1904, bulk 1810/18601
- Barron Family Papers, 1793/19421