Names
- Clay, Lucius D. (Lucius DuBignon), 1897-1978.1
- Coffey, Wilford L., 1879-1
- Coffman, Lotus Delta, 1875-1938.1
- Coller, Frederick A.1
- Compton, Arthur Holly, 1892-1962.1
- Compton, K. T. (Karl Taylor), 1887-1954.1
- Conf. Board of Assoc. Research Councils1
- Conf. on Administration of Research1
- Cook, Albert B.1
- Cook, Franklin Mead, 1863-1
- Cook, Marshall L., 1858-1955.1
- Cooley, Charles Horton, 1864-1929.1
- Coolidge, Calvin, 1872-1933.1
- Copeland, Royal S. (Royal Samuel), 1868-1938.1
- Corcos, Joseph M.1
- Cowley, M. Allen & C.1
- Cowling, Donald J.1
- Craig, James Alexander, 1855-1932.1
- Craig, Robert, 1882-1962.1
- Cram, Esther Marsh.1