- A.C.L. Gatewood Papers, 1801/19191
- Adam Empie Papers, 1811/2004, bulk 1811/18501
- Alexander Haight family collection, 1764/19761
- Amos Koontz Papers I, 1809/1965, bulk 1936/19651
- Armistead-Cocke Papers, 1680/19171
- Arthur I. Boreman Papers, 1830/19491
- Austin-Twyman Papers, 1765/19391
- B.J. Baker Records, 1865/19211
- Baer Family Papers, 1744/19291
- Baird Family Papers, 1656/1922, bulk 1656/18481
- Bayles Family Papers, 1827/19451
- Blow Family Papers, 1613/1960, bulk 1770/18751
- Bozarth Brothers Account Book, 1907-1913, 1907/19131
- Bozarth Brothers Journal, 1912/19131
- Bozarth Brothers Ledger, 1913/19161