South Dakota Parent Connection:
http://www.sdparent.org/
National Dissemination Center for Children with Disabilities:
http://www.nichcy.org/Pages/Home.aspx
Developmental Disabilities Link:
http://dhs.sd.gov/dd/family/index.aspx
Birth to 3 Connections - SD Department of Education:
http://doe.sd.gov/oess/Birthto3/index.asp
CDC Act Early learn the signs:
http://www.cdc.gov/ncbddd/actearly/index.html