Names
- Cooley, Charles Horton, 1864-1929.1
- Cooley, Mortimer Elwyn, 1855-1944.1
- Coolidge, Calvin, 1872-1933.1
- Copeland, Royal Samuel, 1868-19381
- Corcoran, Thomas Gardiner, 1900-1
- Coudert, Frederic R. (Frederic René), 1871-1
- Coughlin, Charles E. (Charles Edward), 1891-1979.1
- Cram, Esther Marsh.1
- Cramton, Louis C. (Louis Convers), 1875-1
- Cramton, Louis Convers, 1875-1966.1
- Crary, Isaac Edwin, 1804-1854.1
- Creighton, Joseph.1
- Crittenberg, Willis.1
- Cromwell, James Henry Roberts.1
- Cropley, Charles Elmore.1
- Cummings, Homer S.1
- Curley, James M.1
- D'Ooge, Martin Luther, 1839-19151
- D'Ooge, Martin Luther, 1839-1915.1
- Dana, Samuel Trask, 1883-1978.1