The I.G.S. Curriculum has been used at the The Children's Unit for Treatment & Evaluation for over 15 years, adopted by several other well known programs that utilize behavioral intervention, and has been referred to in numerous publications, such as:
Romanczyk, R.G., Lockshin, S. & Matey, L. (1994) Preschool Education Programs for Children with Autism. In S. Harris & J. Handleman (Eds.) Children with Autism: The Preschool Years. Austin: Pro-Ed.
Romanczyk, R.G. (1996) Behavioral Analysis & Assessment: The Cornerstone to Effectiveness. Maurice, C., Luce, S. & Green, G. (Eds.) Behavioral Intervention for Young Children with Autism. Pro-Ed., Austin, TX.