• Illinois Department of Public Aid. (2000) Information Notice 8/31/00
  • Connecticut State Department of Education and the Connecticut Birth to Three System. (1999). Guidelines for Assistive Technology
  • South Carolina Department of Health and Environmental Control (2000). Babynet Service Guidelines: Assistive Technology
  • State of New York Department of Health - Early Intervention Program. (1999). Early Intervention Memorandum 99-1
  • Kentucky. (1997). Policies and Procedures: First Steps Assistive Technology Program