- Archive of Virginia Composers, 1931/19791
- Arena Stage records, 1949/20104
- Arthur Jacknowitz Faculty Papers, 1954/201912
- Arts and Sciences Graduate Center records, 2005/20181
- Association for Research and Enlightenment Collection1
- Association for the Preservation of Virginia Antiquities, Yorktown Branch Records, 1921/2013, bulk 1975/20051
- Athletics, 1830/20251
- BLSA: Black Law Students Association records, 2014/20212
- Barbara H. Dunn Papers, 1970/20033
- Barbara Lustbader New York City playbills collection, 1957/201213
- Barbara McKnight Benham papers, 1966/20211
- Barnette Collection, Lawyer, Businessman, Educator, Philanthropist, and Chairman Emeritus of Bethlehem Steel Corporation, 1905/20204
- Baseball records, 1908/20241
- Betsy Brinson collection, 1974/20133
- Betty Brown Clemmer and Willis Clemmer papers, 1920/2015, bulk 1943/19491