- Chalfant, Harry Malcolm, 1869-1932, author1
- Chamberlain, C. W. (Claude William), 1891-1
- Chambers, Robert, 1881-1957 author1
- Child, Charles Manning, 1869-1954 author1
- Childs, Leslie, (Legal writer), author1
- Christie, A. C. (Arthur Carlisle), 1879-1956 author1
- Clark, James, 1890- author1
- Clark, Janet Howell, 1889-1969 author1
- Clark, Mary Augusta, author1
- Clark, R. Manning, author1
- Clements, F. H., author1
- Clendening, Logan, 1884-19451
- Clifford, William, 1858-1942, compiler1
- Cobb, Margaret V. (Margaret Vara), 1884-1
- Coffey, Robert Calvin, 1869-1933, author1
- Coffin, J. Herschel (Joseph Herschel), 1880- author1
- Collins, A. Frederick (Archie Frederick), 1869-1952, author1
- Collins, Frederick W., 1873-1948 author1
- Colp, Ralph, 1893-, author1
- Committee on the Training of Hospital Executives.1