- Bray Papers, 1730/18172
- Britt Family Papers, 1801/18601
- Broadside Collection, 1812/2013, bulk 1900/19501
- Brooke County (W. Va.) Court Records and Miscellaneous Papers, 1780/191818
- Brown, Coalter, Tucker Papers (I), 1790/192910
- Bryan Family Papers, 1780/18251
- Bucktrout-Braithwaite Papers, 1780/1996, bulk 1890/18994
- Byers Family Papers, 1806/19295
- C. L. Worthington Papers, 1752/19383
- Cabaniss Family Papers, 1800/18373
- Calfee Family Papers, 1812/1919, bulk 1859/18891
- Calvin Hobart Account Book, 1808/18411
- Campaigns and Elections Collection, 1816/1972, bulk 19321
- Campbell Family Papers II, 1795/19451
- Campbell Family Papers, 1726/192010