Names
- Burton, Marion LeRoy, 1874-1925.1
- Butler, Orma Fitch.1
- Byrd, Harry Flood, 1887-1966.1
- Cabot, Hugh, 1872-1945.1
- Cady, Burt D., 1874-1
- Cajori, Florian, 1859-1930.1
- Campbell, Caroline Belzora, 1859-1926.1
- Campbell, Henry M. (Henry Munroe), 1854-1926.1
- Carey, Henry Westronae, 1850-1911.1
- Carnegie Endowment for International Peace.1
- Carnegie, Andrew, 1835-1919.1
- Carr, Lowell Juilliard, 1885-1
- Carroll, Eber Malcolm, 1893-1959.1
- Carton, Augustus C.1
- Catlin, George B. (George Byron), 1857-1934.1
- Celler, Emanuel, 1888-1981.1
- Champion Copper Company.1
- Chandler, George Moseley.1
- Channing, Edward, 1856-1931.1
- Chapman, Charles E. (Charles Edward), 1880-1941.1