1. California School for the Blind, 500 Walnut Avenue, Fremont, CA 94536
2. Division of Special Education and Counseling, California State University, Los Angeles, 5151 State University Drive, Los Angeles, CA 90032
3. Department of Special Education, Rehabilitation, and School Psychology, University of Arizona, P.O. Box 210069, Tucson, AZ 85721-0069
4. California School for the Blind
5. Provincial Resource Center for the Visually Impaired, 106–1750 West 75th Avenue, Vancouver, BC, V6P 8G2, Canada