- Adin B. Underwood Papers, 1861/19261
- Alexander Farish Robertson Papers, 1867/19311
- Alexander McNutt Glasgow Family Papers, 1823/19031
- Alexander Von Humboldt Portrait Print, 1855/18901
- Andrew Given Family Correspondence, 1859/18861
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20001
- Anna Burton Ellett Collection, 1751/19321
- Antoine Gaujot and Julien E. Gaujot Papers, 1840/19991
- Association for the Preservation of Virginia Antiquities, Montgomery County Branch Papers, 1754/1996, bulk 1958/19831
- August Dietz Civil War Collection, 1862/19091
- Augustus Smith Family Collection, 1864/19261
- Ayre Family Collection, 1871/18991
- Bailey-Law Collection, 1825/19711
- Baldwin Family Letters, 1861/18971
- Barclay Shipping Ledger, 1847/18781