- C. Harrison Mann, Jr. Map Collection, 1579/19613
- C. Harrison Mann, Jr. map collection, 1579/19613
- C. L. Worthington Papers, 1752/19383
- Cabell Family Papers, 1693/1913, bulk 1743/18239
- Calvert Walke Tazewell Papers, 1900/19971
- Campbell Family Papers, 1726/19206
- Caperton family genealogical research files, 1938/19803
- Carl R. Dolmetsch Papers, 1751/19902
- Carol R. Lubin papers, 1960/19812
- Carpenter Papers, 1765/19221
- Carte de la Baie de Chesapeake [Warwick County] (reproduction), 17781
- Carter Family Papers, 1667/1862, bulk 1792/186122
- Catesby Jones Account Book, 1767/18452
- Channing Moore Hall Papers, 1920/1953, bulk 1930/19531
- Chapin collection of Washington & Custis family documents, 1758/18293