- C-SPAN records, 1809/2012, bulk 1978/20122
- Clarence Edwin Smith (1885-1959) Papers, 1787/19572
- Clarence J. Robinson papers, 1897/19782
- George Taylor Klipstein manuscript medical account books, 1881/19182
- Gilbert and Sullivan collection, 1904/20002
- Molka Reich papers, 1904/19862
- Northern Virginia Civil War images collection, 1853/19142
- Northern Virginia history collection, 1911/19872
- Phil Teigen North American churches postcard collection, 1904/20102
- Robert Truax Washington, D.C. transportation collection, 1880/19852
- Saint Andrew's Society collection, 1861/19952
- Sam di Bonaventura papers, 1900/19982
- Thomas Ray Dille Papers, 1774/19392
- William Darke Briscoe Civil War diaries collection, 1861/20132
- A. D. Lough correspondence, 1902/19201