- J. Bolton McBryde Collection2
- J. Davitt McAteer Papers regarding Mining Safety, 1860/2013, bulk 1970/2010110
- J.J. Rutledge Technical Writings on Coal Mining, 1920/19393
- James M. Guiher, Jr., Papers, 1835/2014, bulk 1927/197640
- Jan Karon papers, 1918/2018, bulk 1964/201823
- Jefferson Society records, 1825/201857
- John A. N. Lee Papers, 1973/199020
- John C. McCoid II papers, 1950/19721
- John E. Reed Plant Encyclopedic Scrapbooks, 1910/195918
- John E. Winter Papers, 1906/19588
- John Harrington Cox, Collector, Papers regarding West Virginia Folklore, 1915/19365
- John Jacob Cornwell (1867-1953), Governor, Papers and Records, 1843/1953187
- John L. Spivak Papers, 1888/19671
- John W. Landis Papers, 1949/196947
- John W. Mason (1842-1917) Papers regarding Virginia Debt and Other Material, 1872/1919, bulk 1907/19199