Names
- Champion Copper Company.1
- Channing, Edward, 1856-1931.1
- Chapin, Roy D. (Roy Dikeman), 1880-1936.1
- Cisler, Walker L. (Walker Lee), 1897-1994.1
- Cisler, Walker Lee, 1897-1
- Clements, William L. (William Lawrence), 1861-19341
- Cocker, Benjamin Clark.1
- Coffey, Hobart R., 1896-1969.1
- Coller, Frederick A.1
- Comstock, William Alfred, 1877-1949.1
- Copper Range Company.1
- Coulter, Glenn Monroe, 1894-1
- Couzens, James, 1872-1936.1
- Cranbrook Institute of Science.1
- Cranbrook School (Bloomfield Hills, Mich.)1
- Crane, Verner W., 1889-1974.1
- Crane, Verner Winslow, 1889-1
- Cross family.1
- Cross, Arthur Lyon, 1873-19401
- Cross, Arthur Lyon, 1873-1940.1