- Child, Lydia Maria, 1802-18801
- Clark family1
- Clemens, Cyril, 1902-19991
- Cleveland, Grover, 1837-19081
- Columbia University. Department of English and Comparative Literature1
- Columbia University. Rare Book and Manuscript Library1
- Cooper, James Fenimore, 1789-18511
- Cust, Lionel, 1859-19291
- Da Ponte, Lorenzo, 1749-18381
- Davis, Richard Beale1
- Dawson, Coningsby, 1883-19591
- Deland, Margaret, 1857-19451
- Dix, Dorothea Lynde, 1802-18871
- Dodd, William E (William Edward), 1869-19401
- Dos Passos, John, 1896-19701
- Doubleday, Frank Nelson, 1862-19341
- Douglass, Frederick, 1818-18951
- Dumas, Alexandre, 1824-18951
- Dunning, William Archibald, 1857-19221
- Einstein, Albert, 1879-19551