Names
- Ciccarelli, Charles.1
- City Ice Company (Ann Arbor, Mich.)1
- Clements, William L. (William Lawrence), 1861-19341
- Clements, William L. (William Lawrence), 1861-1934.1
- Cocker, Benjamin Clark.1
- Coffey, Hobart R., 1896-1969.1
- Coller, Frederick A.1
- Conover, James F.1
- Cooley, Mortimer E. (Mortimer Elwyn), 1855-1944.1
- Coulter, Glenn Monroe, 1894-1
- Couzens, James, 1872-1936.1
- Crane, Verner W., 1889-1974.1
- Crane, Verner Winslow, 1889-1
- Creighton, Frank W.1
- Cross family.1
- Cross, Arthur Lyon, 1873-19401
- Cross, Arthur Lyon, 1873-1940.1
- Curtis, Heber Doust, 1872-1942.1
- Curtiss, Ralph Hamilton, 1880-1929.1
- Cushny, Arthur R. (Arthur Robertson), 1866-1926.1