Names
- Connally, Tom, 1877-1963.2
- Connelly, Matthew J 1907-1
- Conyers, John, 1929-1
- Cook, D. B.1
- Cooley, Thomas McIntyre, 1824-1898.2
- Coolidge, Calvin, 1872-1933.2
- Cooper, John Sherman, 1901-1991.1
- Copper Mines and Mining1
- Corcoran, Thomas Gardiner, 1900-1
- Coughlin, Charles E. (Charles Edward), 1891-1979.1
- Coughlin, Charles Edward, 1891-1
- Couzens, Frank, 1902-1950.2
- Couzens, James Joseph, 1872-1936.1
- Couzens, James, 1872-1936.2
- Cramton, Louis C. (Louis Convers), 1875-3
- Cramton, Louis C. (Louis Convers), b. 1875.1
- Cramton, Louis Kay.1
- Crane, Flavius J. B., 1812-1886.1
- Crary, Isaac Edwin, 1804-1854.1
- Crawford, Fred L., 1888-19571