- Abraham Anson papers, 1939/20051
- Adams T. Rice papers, 1922/19605
- Alexander Haight family collection, 1764/19764
- American Political Items Collectors collection3
- American Public Transportation Association records, 1898/199948
- American voyage photograph albums, 1904/19392
- Armistead L. Boothe collection, 1920/19832
- Arnold Sundgaard papers, 1925/19883
- Arthur E. Scott photograph collection17
- C-SPAN records, 1809/2012, bulk 1978/20122
- C. Harrison Mann, Jr. map collection, 1579/19611
- C. Harrison Mann, Jr. papers, 1832/19792
- Carol D. Litchfield microbiology collection2
- Carol R. Lubin papers, 1960/19811
- Charles Baptie photograph collection2