Names
- Codd, George Pierre, 1869-1927.1
- Coffin, Howard Aldridge, 1877-1956.1
- Conklin, Edward Grant (1863-1952)1
- Conklin, Edward Grant, 1863-1952.1
- Connable, Alfred B. (Alfred Barnes), 1904-1
- Cook, Marshall L., 1858-19551
- Cook, Marshall L., 1858-1955.1
- Cook, William Randolph, 1866-1946.1
- Cooley, Mortimer Elwyn, 1855-1944.1
- Coolidge, Calvin, 1872-1933.1
- Cooper, Harry D., 1863-1933.1
- Copeland Royal Samuel, 1868-1938.1
- Copeland, Royal S. (Royal Samuel), 1868-1938.1
- Copper Range Company.1
- Cotter, William Edward, 1893-1957.1
- Couzens, James Joseph, 1872-1936.1
- Cramton, Louis C. (Louis Convers), b. 1875.1
- Cramton, Louis Convers, 1875-1966.1
- Crawford, Fred L., 1888-1957.1
- Croswell, Charles Miller, 1825-1886.1