- Infant & Toddler Connection of Virginia
- CDC - Learn the Signs. Act Early.
- CDC - Developmental Screening FACT SHEET
- National Dissemination Center for Children with Disabilities - Virginia State Agencies
- Council for Exceptional Children
- First Signs
- Infant Development and Parent Education Services - Southside Community Services Board
- Tri-County Community Action Agency, Inc. (Halifax, Charlotte and Mecklenburg Counties)