- Alexander Haight family collection, 1764/19761
- Alexander Haight family collection, 1764/19773
- American Political Items Collectors collection2
- American Public Transportation Association records, 1898/19995
- Arnold Sundgaard papers, 1925/19882
- Arthur E. Scott photograph collection5
- Arthur E. Scott photograph collection, 1910/19765
- C-SPAN records, 1809/2012, bulk 1978/20122
- C. Harrison Mann, Jr. papers, 1832/19791
- Carol D. Litchfield microbiology collection1
- Carol R. Lubin papers, 1960/19812
- Charles Baptie photograph collection1
- Charles Rodrigues playbill collection, 1879/20094
- E. P. Conkle papers, 1928/19942
- Eda Edson papers, 1930/19762