- Abraham Anson papers, 1939/20051
- Agnes Wolf papers, 1966/20061
- Alexander Haight family collection, 1764/19761
- American Public Transportation Association records, 1898/19991
- Arnold Goldman Living Newspaper collection, 1931/19731
- Arthur Arundel papers, 1964/19901
- C-SPAN records, 1809/2012, bulk 1978/20121
- C. Harrison Mann, Jr. papers, 1832/19791
- Colin F. McClare papers, 1960/19701
- David Pass papers, 1934/20011
- E. P. Conkle papers, 1928/19941
- Edgar A. Prichard papers, 1962/19811
- Edwin W. Lynch Vietnam War protest collection, 1965/19751
- Elizabeth Campbell papers, 1964/19781
- Eugenie V. Mielczarek papers, 1965/19971