The SAGE Encyclopedia of Intellectual and Developmental Disorders by Ellen Braaten (Editor)

The Praeger International Handbook of Special Education [3 Volumes] by Michael L. Wehmeyer (Editor); James R. Patton (Editor)

Special Education - A Reference Book for Policy and Curriculum Development by Arlene Sacks

The Wiley Handbook of Diversity in Special Education by Marie Tejero Hughes (Editor); Elizabeth Talbott (Editor)

Encyclopedia of Special Education by Elaine Fletcher-Janzen (Editor); Cecil R. Reynolds; Kimberly J. Vannest (Editor)