Names
- Burr, George Lincoln, 1857-1938.1
- Burrows, Julius C. (Julius Caesar), 1837-1915.1
- Burton, Clarence Monroe, 1853-1932.1
- Burton, Marion Le Roy, 1874-1925.2
- Byrd, Richard Evelyn, 1888-1957.2
- Byron M. Cutcheon1
- Cajori, Florian, 1859-1930.1
- California Land and Water Company.1
- Campbell, Caroline Belzora, 1859-1926.1
- Campbell, Henry M. (Henry Munroe), 1854-1926.1
- Cannon, James, 1864-1944.1
- Carroll, Eber Malcolm, 1893-1959.1
- Carton, Augustus C.1
- Catlin, George B. (George Byron), 1857-1934.1
- Catt, Carrie Chapman, 1859-1947.1
- Cavanaugh, Martin J., 1866-1
- Channing, Edward, 1856-1931.1
- Chapman, Charles E. (Charles Edward), 1880-1941.1
- Charles A. Towne1
- Charles Cudney1