Names
- Columbus, Christopher (October 31, 1451-May 20, 1506)1
- Copepoda.1
- Coppinger, Jose--Correspondence.1
- Cory, Fanny Y1
- Cowper, William, 1731-18001
- Crosnier, Alain1
- Croswell, William1
- Cruzat, Antonio--Correspondence.1
- Daly, T. A. (Thomas Augustine), 1871-19481
- Dalziel, George, 1815-19021
- Dancy, Francis L.1
- Davis, Jefferson 1808-18891
- De La Mare, Walter, 1873-19561
- DeMan, J.G.1
- Dearborn, Henry, 1751-1829.1
- Dickinson, Emily, 1830-18861
- Dirac, P. A. M. (Paul Adrien Maurice), 1902-19841
- Dodge, Mary Mapes, 1830-19051
- Douglas, Lord Alfred Bruce, 1870-19451
- Doyle, Edmund.1