- Claxton, Timothy--Presentation inscription to G. Birkbeck1
- Clayton, Robert, Sir, 1629-17071
- Clymer, Joseph--Claims vs. United States1
- Coahuila and Texas (Mexico)1
- Coke, Jacynth d'Ewes Fitz-Ercald, 1879- 1
- Colonial Bishoprics Fund1
- Committee for Superintending the Application for Funds for the College for Colored Youth1
- Computer People for Peace1
- Connecticut Woman Suffrage Association1
- Covent Garden Theatre1
- Cripple Creek District Excursion Company1
- Cromwell, Oliver, 1599-16581
- Crystal Palace (London, England)1
- Cummings, Hilliard & Company1
- Custer, George A. (George Armstrong), 1839-18761
- Daggett, David, 1764-1851.1
- Dart, Anson1
- Davis, Angela Y.--(Angela Yvonne),--1944-1
- Dawnay, Guy Payan, 1878- 1
- Defoe, Daniel, 1661?-17311