- Bradley T. Johnson Papers
1676-19373
- Brady Family Papers, 1750/19801
- Brady Family Typescripts, 1816/19661
- Brafferton Estate Collection, 1691/19351
- Braun-Jung Family papers, 1850/20181
- Braxton County (W. Va.) Court Records and Miscellaneous Papers, 1830/19535
- Bray Papers, 1730/18173
- Britt Family Papers, 1801/18602
- Broadside Collection, 1812/2013, bulk 1900/19503
- Brooke County (W. Va.) Court Records and Miscellaneous Papers, 1780/191861
- Brooke Family Papers, 1814/1990, bulk 1880/19601
- Brooks F. McCabe, Collector, Papers, 1770/20191
- Brown Family Papers, Photographs and Maps, 1765/19591
- Brown's Cove Toll House account book, 1810/18171
- Brown, Coalter, Tucker Papers (I), 1790/192923