Cohen, Barry M.; Hammer, J.; Singer, S. (1988). "The Diagnostic Drawing Series: A systematic approach to art therapy evaluation and research". The Arts in Psychotherapy. 15 (1): 11–21. doi:10.1016/0197-4556(88)90048-2.
Jablonski, Joseph (2012). "Surrealism in 2012"(PDF). Surrealism in 2012: Toward the World of the Fifth Sun--An Exhibition of the International Surrealist Movement: 3 & 6. Archived from the original(PDF) on December 10, 2013. Retrieved December 16, 2012.
web.archive.org
"Evaluation Tools". American Art Therapy Association. Archived from the original on November 30, 2012. Retrieved December 16, 2012.
Jablonski, Joseph (2012). "Surrealism in 2012"(PDF). Surrealism in 2012: Toward the World of the Fifth Sun--An Exhibition of the International Surrealist Movement: 3 & 6. Archived from the original(PDF) on December 10, 2013. Retrieved December 16, 2012.