Bolander, K. (1977). Assessing Personality Through Tree Drawing. Basic Books Inc. (高橋 依子訳. 『樹木画によるパーソナリティの理解』. ナカニシヤ出版.)
Ernest G. S. (1966). Experiential Foundations 『ロールシャッハ・テストの体験的基礎』. みすず書房.)
Frederick S. P. (1992). Gestalt Therapy Verbatim. The gestalt journal press, Inc.
Grinder, J., & DeLozier, J. (1995). <i>Turtles All the Way Down Prerequisites to Personal Genius</i>. John Grinder and Judith DeLozier Editorial and Art Direction.
Hammer, E. F. (1958). The Clinical Application of Projecting Drawings. Springfield, III.: C.C. Thomas.
