- BLSA: Black Law Students Association records, 2014/20212
- Baba Freeman Reston, Virginia collection, 1966/20072
- Barbara H. Dunn Papers, 1970/20035
- Barbara Lustbader New York City playbills collection, 1957/201221
- Barbara McKnight Benham papers, 1966/20212
- Barnette Collection, Lawyer, Businessman, Educator, Philanthropist, and Chairman Emeritus of Bethlehem Steel Corporation, 1905/20209
- Base Hospital No. 41 collection, 1905/20091
- Baseball records, 1908/20242
- Ben Benson Collection, 1789/20151
- Benjamin L. Wigfall Artist Archives and Mary Carter Wigfall Personal Papers, 1880/202320
- Berkeley Garden Club records, 1970/19961
- Bernie Peace, Artist, Papers and Artwork, 1960/20131
- Beth Toren, Librarian, Photographs of West Virginia University Libraries and Librarians, 1990/20091
- Bethany Lutheran Church Collection, 1972/20151
- Bethlehem Stone Church Records, 1844/20114