- National Autism Centerhttp://www.nationalautismcenter.org/
- International Society for Augmentative and Alternative Communicationhttps://www.isaac-online.org/
- America Speech-Language-Hearing Associationhttps://www.asha.org/
- Division for Early Childhood of the Council for Exceptional Childrenhttp://www.dec-sped.org/
- Zero to Threehttps://www.zerotothree.org/
