- Dabney Lancaster and Lancaster Family Records, 1848/19741
- Daingerfield Papers, 1833/19301
- Daisy Bacon Papers, 1857/198619
- Daisy Chapman Dorsey, Business Owner, Essays and Other Papers, 1904/19781
- Daisy Neptune, Compiler, Civil War Research Papers, 1904/19381
- Dale L. Walker Research Collection, 1914/19851
- Daniel Albert Anthony, Photographs by a Mount Pleasant, Pennsylvania Resident, 1920/19301
- Daniel Bedinger Lucas Papers, 1812/18241
- Daniel E. Wright Papers, 1903/19733
- Daniel J. Meador papers, 1959/20033
- Daniele Struppa music manuscripts collection, 19941
- Darius T. and Theodore J. Wool memorabilia, 1868/19691
- Darrel Ballard, Collector, Yearbooks and Flood Photographs of Wetzel County, 1911/20041
- Daughters of the American Revolution, Elizabeth Ludington Hagans Chapter, Morgantown, West Virginia Records, 1892/19471
- Daughters of the American Revolution, Elizabeth Ludington Hagans Chapter, Morgantown, West Virginia Records, 1903/19471