Bloom, Benjamin et al. Taxonomy of Educational Objectives—The Classification of Educational Goals. Handbook I. The Cognitive Domain. Rev. ed. New York: David McKay, 1971.
2.
Krathwohl, David et al. Taxonomy of Educational Objectives—The Classification of Educational Goals. Handbook II. The Affective Domain. Rev. ed. New York: David McKay, 1970.
3.
Plowden, Lady Bridgett.Children and Their Primary Schools: A Report of the Central Advisory Council for Education (England)—Volume I. London: Her Majesty's Stationery Office, 1967.
4.
Spodek, Bernard.Open Education. Washington, D.C.: National Association for the Education of Young Children, 1970.
5.
Turner, Joseph.Making New Schools, The Liberation of Learning . New York: David McKay, 1971.