Creator
- Clinton, Henry, Sir, 1738?-17951
- Clough, Isaac S.1
- Cook, John, 1825-19101
- Cooke, J. B.1
- Coomer, George H.1
- Coote, Eyre, 1857-19251
- Crossley, Richard, 1920-1
- Crown Card Company1
- Cuddeback, Fannie Spalding1
- Cundiff, Willard1
- Curtis, T. B.1
- D. M. Osborne & Co.1
- Daigneault, Charles H. F.1
- Day, Martha Louise1
- Dewey, D. M. (Dellon Marcus), 1819-18891
- Diamond, J. Leonard (James Leonard)1
- Diedrich, D. N. (Duane Norman)1
- Douglass, David Bates, 1790-18491
- Downing, Sarah K. Lukens, 1860-19591
- Driver, George Hibbert Smith, 1842-19201