Concept Map Sources:

* Alter-Muri, S.B. (2002). Viktor Lowenfeld Revisited: Review of Lownefeld’s Preschematic, Schematic, and Gang Age Stages. American Journal of Art Therapy. Vermont College at Norwich University.

* Burton, J.M. (2009). Creative Intelligence, Creative Practice: Lowenfeld Redux. Studies in Art Education. Teachers College Columbia University.

* Efland, A.D. (1990). A History of Art Education: Intellectual and Social Currents in Teaching the Visual Arts. New York: Teachers College Press.