- B.F. Hartzell (1880-1957) Letters, 1953/19571
- B.F. Johnson & Company Letter1
- B.F. Woodward Papers, 1908/19321
- B.H. Hibbard Letters
1864-18651
- B.H. Winston report card, 1844/18451
- B.J. Baker Records, 1865/19211
- B.R. Linkous Letter, 18622
- BLSA: Black Law Students Association records, 2014/202121
- Baba Freeman Reston, Virginia collection, 1966/200791
- Baba Freeman Reston, Virginia, collection, 1966/20072
- Babb, Joel, 1947-. Artist file: miscellaneous uncatalogued material1
- Baber, Alice. Artist file: miscellaneous uncatalogued material1
- Babylonian tablet, 2200/24002
- Bacerra, Ralph, 1938-. Artist file: miscellaneous uncatalogued material1
- Bach, Elvira, 1951-. Artist file: miscellaneous uncatalogued material1