- Abraham Anson papers, 1939/20057
- Adams T. Rice papers, 1922/19602
- Alexander Haight family collection, 1764/19765
- American Political Items Collectors collection6
- American Public Transportation Association records, 1898/1999233
- American Theatre Association records1
- Armistead L. Boothe collection, 1920/19831
- Arnold Goldman Living Newspaper collection, 1931/19734
- Arnold Sundgaard papers, 1925/198852
- Arthur E. Scott photograph collection83
- Arthur Peterson papers2
- Ben Russak papers, 1935/19422
- Bernard Rosenblatt Regional Theatre Council for Northern California and Nevada papers, 1938/19798
- C-SPAN records, 1809/2012, bulk 1978/20122
- C. Harrison Mann, Jr. map collection, 1579/19611