- D. Boston Stewart Papers, 1782/1919, bulk 1862/19061
- Dabney Lancaster and Lancaster Family Records, 1848/19744
- Daingerfield Papers, 1833/19301
- Daisy Bacon Papers, 1857/198616
- Daisy Chapman Dorsey, Business Owner, Essays and Other Papers, 1904/19781
- Daisy Neptune, Compiler, Civil War Research Papers, 1904/19381
- Dale Family Papers, 1915/19175
- Dale L. Walker Research Collection, 1914/19851
- Dana Harmon Papers, 1885/19161
- Dana Hewitt, Collector, Photographs from Preston County, WV, 1915/19201
- Daniel Bedinger Lucas Papers, 1812/18241
- Daniel E. Wright Papers, 1903/19733
- Daniel J. Meador papers, 1959/20033
- Darius T. and Theodore J. Wool memorabilia, 1868/19691
- Darrel Ballard, Collector, Yearbooks and Flood Photographs of Wetzel County, 1911/20041