- Charles Brown Papers, 1792/18882
- Charles Campbell Papers, 1743/18966
- Charles Carroll papers, 1770/18261
- Charles H. Bell Papers, 1772/1929, bulk 1852/18752
- Charles James Faulkner (1806-1884) Papers, 1786/18781
- Charles James Faulkner (1806-1884) Papers, 1786/18921
- Charles L. Campbell (b. 1876), Compiler, Typescripts, 1789/19561
- Charles Lee Letter to William Lee, 17932
- Charles Shetler, Curator and Historian, Papers, 1700/19651
- Charles and Joseph Read commonplace book, 1765/17941
- Charles and Thomas Frankland record books, 1740/18112
- Chester McNerney Collection, 1290/19501
- Christ Reform Church of Shepherdstown, West Virginia, Records, 1779/19571
- Christian S. Hutter miscellany, 1602/194524
- Christopher A. Dorrance collection, 1750/20001