The Report of the President's Commission on National Goals. Goals for Americans. Administered by: The American Assembly, Columbia University. Washington, D. C.: Judd and Detweiler, Inc.1960.
2.
Commission of the Professors of Adult Education. Adult Education: A New Imperative for Our Times. Washington, D. C.: Adult Education Association of the U.S.A., 1961.
3.
Jensen, Gale; Liveright, A.A.; and Hallenbeck, Wilbur, eds; Adult Education: Outlines of an Emerging Field of University Study. Washington, D. C.: Adult Education of the U.S.A., 1964.
4.
Hart, J. K.Education in the Human Community. New York: Harper and Brothers, 1951.
5.
Redfield, Robert. The Educational Experience. Pasadena, California: The Fund for Adult Education, 1955.
6.
Bradford Leland P.Adult Learning. Washington, D. C.: Adult Education Association of the U.S.A., 1965.
7.
Combs, Arthur W., and Snygg, Donald. Individual Behavior: A Perceptual Approach to Behavior. rev. ed.New York: Harper and Row, Publishers, 1959.
8.
Clayton, Thomas E., ed. Teaching and Learning: A Psychological Perspective. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., 1965.
9.
Smith, Robert; Aker, George F.; and Kidd, J. R.Handbook of Education. New York: Macmillan Co., 1970.
10.
Knowles, Malcolm S.The Modern Practice of Adult Education. New York: Association Press, 1971.
11.
Ferre, Nels F. S.“Learning and Life,”Phi Kappa Phi Journal, XLVI, No. 3 (Summer, 1966), pp. 19-23.
12.
Nakarai, Tayoza W.“Wisdom and Understanding,”Phi Kappa Phi Journal, LII, No. 2 (Spring, 1972), pp. 3-7.
