1. Barnaby, H. A. (1998).Determining the indicators of aggression using the Clay Create a Person(Unpublished master's thesis). Allegheny University, Philadelphia, PA.
2. Effect of Art Production on Negative Mood: A Randomized, Controlled Trial
3. Crane, R. (2010).Impact of art materials on symptoms of stress(Unpublished master's thesis). Albertus Magnus College, New Haven, CT.