1. Project Report;J. A. Centra,1972
2. Project Report;J. A. Centra,1976
3. Crow, M. L., Milton, D., Moomaw, W. E., and O'Connell, W. R., Jr. Faculty Development Centers in Southern Universities. Atlanta: Southern Regional Educational Board, 1976.
4. Gaff, J. G. Toward Faculty Renewal. San Francisco: Jossey-Bass, 1975.
5. Hathaway, S. R. Some considerations relative to non-directive counseling vs therapy. Journal of Clinical Psychology, 1948, 4, 226?231.