Names
- Coleman, John Strider, 1897-1958.1
- Columbus, Chicago and Indiana Central Railway Company.1
- Conger, Ivan.1
- Conrad, E. S.1
- Cooley, Mortimer Elwyn, 1855-1944.1
- Coolidge, Grace Goodhue, 1879-1957.1
- Copeland Royal Samuel, 1868-1938.1
- Copeland, Royal S. (Royal Samuel), 1868-1938.1
- Costello, Lou.1
- Cotter, William Edward, 1893-1957.1
- Couzens, James Joseph, 1872-1936.1
- Cramton, Louis Convers, 1875-1966.1
- Cramton, Louis Kay.1
- Crawford and Manistee River Railway Company.1
- Crawford, Fred L., 1888-1957.1
- Cummer Lumber Company.1
- Cummer Sons Cypress Company.1
- Cummer-Diggins Company.1
- Cummins, Albert Baird, 1850-1926.1
- Curtis, Charles.1