Kramer, Rita. Maria Montessori: A Biography. Foreword by Anna Freud. Reading, MA: Perseus Books, 1976, 1988.

Miller, John P. ; Nakagawa ,Yoshiharu (Ed.) Nourishing the Spiritual Embryo:

The Educational Vision of Maria Montessori. Published in Nurturing Our Wholeness: Perspectives on Spirituality in Education, Edited by (Brandon, VT: Foundation for Educational Renewal, 2002)

Ministry of Education, 2007. The New Zealand Curriculum. Learning Media, Wellington.

Montessori, M. (ed. 1994). The Absorbent Mind. Clio Press Limited, p. 121

Montessori, M. (1964) The Montessori method. New York, Schocken Books, Inc.

Montessori, M. (1965) Dr. Montessori’s own handbook. New York, Schocken Books, Inc.

Montessori, M. (1967). The discovery of the child. New York, Fides Publisher Inc.

Montessori, M. (1966). The secret of childhood. New York, Fides Publishers, Inc.

Montessori, M. (1973). The Montessori Elementary Material: Volume 2 of the Advanced Montessori Method. New York, Schocken Books

Montessori, Mario, (1956). The human tendencies and Montessori education. Association Montessori Internationale (revised edition of a lecture originally delivered in 1956 under the title, “The Tendencies of Man”).

Povell, P. (2007). Maria Montessori: portrait of a young woman. Montessori Life: A Publication of the American Montessori Society, 19(1), 22-24.

Satterly, D. (1987). “Piaget and Education” in R L Gregory (ed.) The Oxford Companion to the Mind Oxford, Oxford University Press

Standing, E. (1998). Maria Montessori: Her life and work. New York: Penguin.

United Nations Convention on the Rights of the Child (NZ ratified in 1993)