- Amniotic Band Syndrome - Information about the set of congenital birth defects (including clubfoot) caused by entrapment of fetal parts.
- Limb Anomalies - University of Kansas Medical Center - List of links to information, help sites and support groups for a variety of limb anomalies and disorders.
- LimbDifferences.org - Resource for families and friends of children with limb differences.
- Superkids - A newsletter for families and friends of children with limb differences. Includes a Family Talk Section.