- Baseball and Jackie Robinson ~ Multiformat ~ 1860-1969
- Baseball Cards ~ 1887-1914
- Baseball Guides and Spalding ~ 1889-1939
- Bell, Alexander Graham ~ Papers ~ 1862-1939
- Berliner, Emile ~ Early Recording Industry ~ Multiformat ~ 1870-1956
- Bernstein, Leonard ~ Multiformat ~ ca. 1920-1989
- Broadsides and Printed Ephemera ~ ca. 1600-2000