- T. Catesby Jones papers, 1875/19252
- T. M. Fowler West Virginia Maps, 1870/1911, bulk 1896/18991
- T.B. Camden Papers, 1862/19071
- T.B. Cauthorn Papers, 1867/19075
- Tabb Family Papers, 1797/18751
- Talbott-Tolbert Family Papers, 1784/19311
- Tammany Hall Scrapbook, 1875/19062
- Tasker Howard Bliss Correspondence, 1841/19091
- Tate Thompson Brady Family papers, 1785/20056
- Tax reports of public service corporations from the State Corporation Commission, 1895/20151
- Taylor collection of Lewis family papers, 1700/19501
- Taylor family papers, 1894/19831
- Tazewell Family Papers, 1838/1978, bulk 1860/18702
- Telluric Company, Investment Company Record Book, 1891/19541
- Terrill-Porterfield Families, Papers regarding the Civil War and Other Material, 1716/1994, bulk 1840/19201