Names
- Burton, Marion Le Roy, 1874-1925.1
- Cabot, Hugh, 1872-1945.1
- Campbell, Thomas E., 1858-1
- Carton, Augustus C.1
- Catholepistemiad (Detroit, Mich.)1
- Channing, Edward, 1856-1931.1
- Chapin, Roy D. (Roy Dikeman), 1880-1936.2
- 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
- Coffin, Howard Earle, 1873-1937.1
- Coller, Frederick A.1
- Collier family.1
- Collier, Victory P.1
- Collier, William W.1
- Comstock, William Alfred, 1877-1949.1
- Cooley, Mortimer E. (Mortimer Elwyn), 1855-1944.2
- Coulter, Glenn Monroe, 1894-1
- Couzens, James, 1872-1936.3