Names
- 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
- Charles R. Sligh1
- Charles R. Sligh Co.1
- Charles R. Sligh Company1
- Charles R. Sligh, Jr.1
- Charles W. Watkins1
- Chase S. Osborn1