HardieC. D.Truth and Fallacy in Educational Theory. Cambridge University Press, 1942; O'Connor, D. J. An Introduction to the Philosophy of Education. London: Routledge and Kegan Paul, 1957; Scheffler, I. The Language of Education. Springfield, Ill.: Charles C. Thomas, 1960.
4.
BroudyH. S.Building a Philosophy of Education. 2nd Ed.Englewood Cliffs, N.J.: Prentice-Hall, 1961.
5.
SchefflerI.Conditions of Knowledge: An Introduction to Epistemology and Education. Chicago: Scott, Foresman and Co., 1965.
6.
FrankelC.“Appearance and Reality in Kilpatrick's Philosophy”. Teachers' College Record, 66, 4, January 1965, 364.