Bolea, A. "An Exploratory Evaluation Assessing Concomitant Academic and Attitudinal Changes Which Occur in Pupils and Their Teachers Who Are Participating in the Two-Year Child and Youth Study Program." College Park : Institute for Child Study, University of Maryland , 1968. (Unpublished)
2.
—. "Change in Children's Self-Concepts." Doctor's thesis. Lincoln: University of Nebraska, 1967. (Uupublished)
3.
Brandt, R.M., and Perkins, H.V.Research Evaluating a Child Study Program. Monograph No. 21. Lafayette, Indiana: Society for Research in Child Development, Purdue University, 1956.
4.
Felker, D.W. , and Smith, P.G. "The Measurement of Philosophic-Mindedness on the Criterion of Flexibility." The Bulletin of School of Education, Indiana University, 42: 1-138; January 1966.
5.
Prescott, D.The Child in the Education Process. New York: McGraw-Hill, 1957.
6.
Waller, W.The Sociology of Teaching. New York: Wiley, 1932.