- Conboy, Kevin1
- Conference of Confederate Roster Commissioners (1903 : Atlanta)1
- Congregation of Adath Yeshurun (Aiken, S.C.)1
- Congressional Quarterly Service1
- Connolly, James B. (James Brendan), 1868-19571
- Cotten, Bradford Howard1
- Cox, Jacob D. (Jacob Dolson), 1828-19001
- Craft, William1
- Cumming, Joseph B.1
- Cumming, Kate, 1835-19091
- Curtis, J. D.1
- Curtis, Margaret Miller, 1935-1
- Czapanskiy, Karen1
- Dallmeyer, Dorinda G.1
- Darling, Henry1
- Department of the Treasury, United States1
- Dessau, Washington1
- Douglas1
- Douglas, Andrew J., Morehouse College1
- Douglas, Stephen A.1
