- Hugh Sayre, Collector, Papers, 1872/19533
- Institute for the History of Technology and Industrial Archaeology Records, 1875/2005, bulk 1980/20055
- J. Davitt McAteer Papers regarding Mining Safety, 1860/2013, bulk 1970/20104
- J.J. Rutledge Technical Writings on Coal Mining, 1920/19391
- James M. Guiher, Jr., Papers, 1835/2014, bulk 1927/19762
- Jefferson Society records, 1825/20182
- John Jacob Cornwell (1867-1953), Governor, Papers and Records, 1843/19535
- John W. Mason (1842-1917) Papers regarding Virginia Debt and Other Material, 1872/1919, bulk 1907/19191
- John W. Mason (1842-1917) Papers, 1831/19284
- Joseph W. Summers Papers, 1899/19491
- Justus Collins (1857-1934) Papers, 1887/19625
- Kanawha County (W. Va.) Court Records and Miscellaneous Papers, 1773/19334
- Katherine Williams, Collector, Williams Family Papers, 1840/20052
- Lorilla Frances Bullard Tower, Doctor, Papers, 1894/19041
- Martin Judy Family Papers, 1857/2012, bulk 1890/19861