- Huff-Hylton Families Papers, 1803/19751
- James Randal Kent Papers, 1825/18871
- John Nicolay Papers, 1782/19831
- Lincoln-Look Family Papers, 1844/19301
- Michael Kinzer Family Papers, 1805/19811
- Preston Family (Alice Preston Moore Collection) Papers, 1749/18821
- Preston Family (Charles Peale Didier Collection) Papers, 1747/18971
- Preston and Olin Institute Records, 1852/18711
- Price Family Collection,, 1840/19051
- Robert Taylor Preston Papers, 1849/1871, bulk 1861/18621
- Rosanna Croy Dawson Collection, 1847/19071
- Rufus Sarvey Papers, 1845/18831
- Slusser Family Papers, 1852/19121
- Smithfield Preston Foundation Papers, 1784/18811
- Sullivan Family Papers, 1800/19571