- J. A. Brown Account Book, 1889/18922
- J. C. Porter Photograph Album, 18901
- J. D. Eggleston Papers, 1750/19525
- J. Davitt McAteer Papers regarding Mining Safety, 1860/2013, bulk 1970/201015
- J. Edgar Boyers Commissions as Colonel and Brigadier General, 1859/19121
- J. H. Kelley, Physicians' Accounts, 1886/19061
- J. Hoge Tyler Diary, 1846/2009, bulk 1846/19252
- J. Hoge Tyler Family Collection, 1802/195693
- J. J. Fahrney Papers, 1886/19362
- J. Keller Reid Papers, 1864/19401
- J. M. Shugar and A. W. Vaisey papers, 1832/191415
- J. M. Tise Ledger and Tise Family Receipts, 1798/19372
- J. Paul Hudson Papers, 1930/19981
- J. Robert Rice, Collector, Civil War Diary of Joshua Rice, 1857/2018, bulk 1857/18811
- J. S. Algeo, An Unpublished History of the Hazel-Atlas Glass Company, Typed Document, 1885/19561