- D. Boston Stewart Papers, 1782/1919, bulk 1862/19061
- Dangerfield Lewis papers, 1799/18544
- Daniel Philippe Aunspaugh Papers, 1800/18811
- Darby-Parramore Papers, 1801/19081
- David A. Bucher Papers, 1769/19124
- David Hunter Strother, Artist, Artwork and Papers, 1744/1996, bulk 1833/18877
- David Ives Bushnell, Jr. Papers, 1797/19413
- David Merle Shingleton, Jr., Author, Shingleton Family Genealogy, 2010/20111
- Davidson Family Papers, 1773/19382
- Davis Family Papers, 1800/19411
- Davis-Meranda Family of Clark County, Ohio, Genealogy, 1770/18501
- Deakins Family Papers and Surveying Compass, 1778/19251
- Deakins Family Papers, 1778/19251
- Dean of the School of Business Administration Records, 1959/19771
- Dew Family papers, 1794/18951