- Jackson Family of Monongalia and Preston Counties Papers, 1814/1891, bulk 1833/18641
- James Popenoe Letter (copy), 18201
- James R. Moreland (1879-1955) Papers, 1809/19481
- James R. Moreland Papers, 1815/19571
- James S. Watson, Papers of a Monongalia County Resident, 1840/19801
- James Vance Boughner (1812-1882) Papers, 1790/18881
- John Fanshear Bond, 18131
- John Henderson Manuscript, 19611
- John Rogers (1786-1864) Papers, 1777/18571
- John Rogers (1786-1864) Papers, 1823/18521
- John Rogers (1786-1864) Papers, 1828/18511
- Jolliff Family Papers, 1878/19541
- Joseph and Henry Bennett Papers, 1849/19231