- Alexander Haight family collection, 1764/19761
- American Political Items Collectors collection2
- American Public Transportation Association records, 1898/19996
- Arnold Sundgaard papers, 1925/19885
- Arthur E. Scott photograph collection5
- C-SPAN records, 1809/2012, bulk 1978/20121
- C. Harrison Mann, Jr. papers, 1832/19791
- Carol D. Litchfield microbiology collection1
- Carol R. Lubin papers, 1960/19811
- Charles Baptie photograph collection2
- Charles Rodrigues playbill collection, 1879/20094
- Chester H. McCall papers, 1931/19471
- Clarence A. Steele papers1
- David Pass papers, 1934/20011
- E. P. Conkle papers, 1928/19942