Names
- Commons, John Rogers, 1862-1945.1
- Conant, Charles A. (Charles Arthur), 1861-1915.1
- Cook, Marshall L., 1858-1955.1
- Cooley, Lyman Edgar, 1850-1917.1
- Cooley, Thomas McIntyre, 1824-1898.1
- Cornell University1
- Cowling, Donald J.1
- Craig, James Alexander, 1855-1932.1
- Craig, Robert, 1882-1962.1
- Cross, Arthur Lyon, 1873-1940.1
- Curtiss, Mary Louise Welton.1
- D'Ooge, Martin Luther, 1839-1915.1
- Davenport, Herbert Joseph, 1861-1931.1
- Davis, Calvin Olin, 1871-1
- Davis, Joseph Baker, 1845-1920.1
- Dawson, William Mercer Owens, 1853-1916.1
- DeFoe, Murl Holcomb, 1879-1
- Demmon, Isaac Newton, 1842-1920.1
- Densmore, Gail Ernest, 1894-1
- Detroit United Railway.1